Stratabound copper-silver deposits of the Mesoproterozoic Revett Formation, Montana and Idaho, with a section on databases and spatial-data files for the geology and mineral deposits of the Revett Formation
The western Montana copper belt in western Montana and northern Idaho contains several large stratabound copper-silver deposits in fine- to medium-grained…
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 751 ft Figure A-1. Obemeyer Mtn. measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-1 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Obemeyer Mountain location
A B D E F G H St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,218 ft Figure A-2. Wee Lake 1, 2 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-2 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY True depth (ft) 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tm t Sedimentary structures Color Rock type Bed Member Formation Burke Formation Total depth, 254 ft Figure A-3. Gunsight Mountain measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-3 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Lower Revett Burke Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 858 ft Figure A-4. Kilbrennan Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-4 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Tectonic cleavage A B St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 1,600 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,570 ft Figure A-5. Horseshoe Lake measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-5 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 1,600 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Lower Revett Revett Formation Total depth, 840 ft Figure A-6. Granite Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-6 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F (faulted) G H Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,500 2,000 2,500 3,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 3,154 ft Figure A-7. DDH FC-4 (Fairway Creek) diamond-drill-hole section Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-7 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,500 2,000 2,500 3,000 St. Regis Formation Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Grain size Total depth, 355 ft Color Rock type Revett Formation Bed Member Formation a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Figure A-8. Stanley Peak measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-8 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Pyrite (framboid) after B. White (unpub. data) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
G H J Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTT m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Overburden Total depth, 585 ft Figure A-9. DDH SL-130 (Spar Lake) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-9 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Fault Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac ssq ssq q VT T m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,262 ft Figure A-10. DDH HC-4 (Hiatt Creek) diamond-drill-hole section True thickness, feet By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-10 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Silttie Middle Quartzite Lower Siltite Lower Quartzite A B D E F G H J Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 2,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Total depth, 2,520 ft Figure A-11. DDH SL-136 (Spar Lake) diamond-drill-hole section Sedimentary structures Color Rock type Bed Member Formation Revett Formation Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-11 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 2,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F G H (faulted) Fault Fault Fault Fault St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 Sedimentary structures Rock type Color Bed Member Formation a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t VTT m t a p t Total depth, 2,018 ft Figure A-12. DDH CC-1 (Cub Creek) diamond-drill-hole section Manganese oxide asac s sq ssq q By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase q a s Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-12 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 Revett Formation H Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 925 ft Sedimentary structures Color Rock type Figure A-13. Clark Fork measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a sac s sq ssq q VTT m t a p t Bed Member Formation Revett Formation Upper Revett Middle Revett By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-13 True depth (ft) after B. White (unpub. data) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F Fault G H St. Regis Formation Upper Revett Middle Revett Lower Revett Burke Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a sac s sq ssq q VT T m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Fault Fault Overburden Total depth, 2,286 ft Figure A-14. DDH SL-122 (Spar Lake) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-14 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Grain size 1,000 1,500 2,000 Total depth, 2,040 ft Color Rock type Figure A-15. Mount Vernon measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-15 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 Pyrite (framboid) Lower Revett after T. Chadwick and B. White (unpub. data) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) St. Regis Formation Upper Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Quartzite 1,000 1,200 Figure A-16. DDH SL-60 (Spar Lake) diamond-drill-hole section Sedimentary structures Color Rock type Bed Member Formation a p t a p t p a p t a p t a p t a p t a p t p p a p t VTTmt asac ssq ssq q a p t a p t a p t a p t a p t a p t Total depth, 1,211 ft Revett Formation By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative Abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-16 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Fault Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B F G H J K St. Regis Formation Upper Revett Middle Revett Lower Revett Burke Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 2,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Overburden Total depth, 2,831 ft Figure A-17. DDH SL-123 (Spar Lake) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-17 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 2,500 D E Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F G H St. Regis Formation Upper Revett Middle Revett Lower Revett Burke Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 2,500 3,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 2,990 ft Figure A-18. DDH SL-93 (Spar Lake) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-18 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 2,500 3,000 Note: Overburden 0-285 ft; St. Regis Formation shows identical sedimentary structures, bed thickness, color, rock type, and grain size as shown at left over depth of 285-1,000 ft Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite St. Regis Formation Upper Revett Middle Revett 1,000 Sedimentary structures Color Rock type Manganese oxide Bed Member Formation Figure A-19. DDH SL-106 (Spar Lake) diamond-drill-hole section Total depth, 1,015 ft a p t a p t p a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VTTmt asac ssq ssq q Revett Formation By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-19 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 St. Regis Formation Overburden Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H J St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,844 ft Figure A-20. DDH SL-138 (Spar Lake) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-20 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) St. Regis Formation Upper Revett Middle Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite Faults and quartz veins True thickness, feet Figure A-21. DDH SL-31 (Spar Lake) diamond-drill-hole section a p t Sedimentary structures Color Rock type Bed Member Formation a p t p a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VTTmt asac
q Revett Formation Total depth, 920 ft By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-21 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
D E F G H J Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,109 ft Figure A-22. DDH SL-139 (Spar Lake) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-22 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
B D E F G H J K Lower Revett Burke Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 a p t a p t a p t a p t a p t a p t a p t p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTTmt Sedimentary structures Rock color Rock type Bed Member Formation Revett Formation Intrusive Intrusive Total depth, 1,590 ft Figure A-23. DDH SL-132 (Spar Lake) diamond-drill-hole section Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-23 1,000 1,500 D E F G J K G Revett Formation H True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY p p Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Grain size 1,000 1,500 2,000 Total depth, 2,310 ft Sedimentary structures Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t a p t Figure A-24. Little Spar Lake measured section Bed Member Formation Revett Formation after Bowden, 1977 By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-24 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Pyrite (framboid) 1,000 1,500 2,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper Oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac ssq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 714 ft Figure A-25. DDH JF-79-1 (J-F) diamond-drill-hole section Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-25 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
B D E F G H J Overburden Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,229 ft Figure A-26. DDH JF-79-4 (J-F) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-26 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F G H J Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 2,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t a p t Bed Member Formation Sedimentary structures Color Rock type Overburden Revett Formation Intrusive Total depth, 2,705 ft Figure A-27. DDH JFW-1 (J-F West) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-27 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 2,500 H Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B Fault Fault D E F G H Overburden Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Bed Formation Member Sedimentary structures Color Rock type Total depth, 1,129 ft Figure A-28. DDH JF-12 (J-F) diamond-drill-hole section Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 20005-5231 FIGURE A-28 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Color Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size St. Regis Formation St. Regis Formation Upper Revett Middle Revett Lower Revett Fault zone Upper quartzite Upper siltite Middle quartzite Lower siltite Lower quartzite A B D E 1,500 2,000 2,500 3,000 Rock type Figure A-29. DDH DC-3 (Dry Creek) diamond-drill-hole section a p t a p t a p t p a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VTT m t Bed Member Formation Revett Formation Total depth, 3,456 ft asac s sq ssq q Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-29 U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,500 2,000 2,500 3,000 True depth (ft) No data By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Empire Formation Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Color Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Fault Zone Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F G H J St. Regis Formation Upper Revett Middle Revett Lower Revett 1,000 1,500 2,000 2,500 Sedimentary structures Figure A-30. DDH DC-2 (Dry Creek) diamond-drill-hole section Rock type a p t a p t a p t p a p t a p t a p t a p t p p VTT m t a p t a p t a p t a p t a p t a p t a p t Bed Member Formation Total depth, 2,549 ft Revett Formation a sac s sq ssq q Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-30 U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 2,500 True depth (ft) By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 765 ft Color Rock type Figure A-31. Squaw Peak measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTm t a p t Bed Member Formation Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-31 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY after B. White (unpub. data) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,160 ft Figure A-32. Goat Rocks measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-32 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Color Bed thickness Sedimentary structures Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Vitreous Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) St. Regis Formation Upper Revett Middle Revett Lower Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A Fault Gouge B Fault Gouge 2,500 3,000 Rock type Bed Member Formation Figure A-33. DDH SN-2 (Snake Creek) diamond-drill-hole section Total depth, 3,415 ft a p t a p t p a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VT T m t asac s sq ssq q Revett Formation D E By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-33 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 2,500 3,0005231 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size St. Regis Upper Revett Middle Revett Lower Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E 2,000 Figure A-34. DDH SN-5 (Snake Creek) diamond-drill-hole section Total depth, 2,478 ft Sedimentary structures Color Rock type Bed Member Formation a p t a p t p a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VTT m t asac s sq ssq q Revett Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-34 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher 2,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (Cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 Sedimentary structures Color Rock type Bed Member Formation Revett Formation a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t a p t Total depth, 1,400 ft Figure A-35. East Fork of Bull River 1, 2, 3 measured section St. Regis Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-35 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Vitreous Bed thickness Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) St. Regis Formation Upper Revett Middle Revett Lower Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B 1,000 1,500 Sedimentary structures Color Rock type Bed Member Formation Figure A-36. DDH SN-1 (Snake Creek) diamond-drill-hole section a p t a p t p a p t a p t a p t a p t a p t p p a t p a t p a t p a t p a t p a t p a t p VTTmt asac ssq ssq q Revett Formation Total depth, 1,806 ft By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-36 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Overburden Upper Revett Middle Revett Lower Revett Lower siltite Lower quartzite A B D E F 1,000 1,200 Sedimentary structures Color Rock type Bed Member Formation Figure A-37. DDH SN-4 (Snake Creek) diamond-drill-hole section Total depth, 1,249 ft a p t a p t p a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VTTm t asac
q Revett Formation By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-37 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) St. Regis Formation Upper Revett Middle Revett Lower Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite Fault zone A 1,500 2,000 2,500 3,000 Sedimentary structures Color Rock type Bed Member Formation Figure A-38. DDH SN-3 (Snake Creek) diamond-drill-hole section a p t a p t p a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t a p t VTT m t asac s sq ssq q Revett Formation Total Depth, 3,041 ft By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-38 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,500 2,000 2,500 3,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite St. Regis Formation Upper Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Grain size apt apt apt apt apt apt apt p p p a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt a p t Revett Formation Pyrite (framboid) Sedimentary structures Color Rock type Bed Member Formation Total depth, 140 ft Figure A-39. Goat Rocks (lower) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-39 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,820 ft Figure A-40. DDH RC-58 (Rock Creek) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-40 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,023 ft Figure A-41. DDH RC-49 (Rock Creek) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-41 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Fault Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Color Sedimentary structures Bed Member Formation Rock type Revett Formation Total depth, 1,660 ft Figure A-42. DDH RC-47 (Rock Creek) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-42 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a sac s sq ssq q VTT m t a p t Sedimentary structures Bed Member Formation Color Rock type Revett Formation Total depth, 1,292 ft Figure A-43. DDH RC-43 (Rock Creek) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-43 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Revett Formation Upper Revett Middle Revett Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 Total depth, 1,505 ft Color Rock type Bed Member Formation Figure A-44. Chicago Peak (White) measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTTm t a p t after B. White (unpub. data) By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-44 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 728 ft Figure A-45. Rock Creek (East Fork) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase s Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-45 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Hematite Magnetite Banding Manganese oxide Feldspar Bedform (carbonate) Ankerite Pyrite (cubic) Vitreous Bed thickness Calcite Galena Chalcopyrite Copper oxide Bornite Chlorite Grain size Pyrite (framboid) Overburden St. Regis Formation Upper Revett MIddle Revett Lower Revett Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B 1,000 Total depth, 1,119 ft Figure A-46. DDH HF-1 (Hereford) diamond-drill-hole section Sedimentary structures Color a p t a p t p a p t a p t a p t a p t a p t a p t p p a p t a p t a p t a p t a p t a p t VTTmt asac ssq ssq q Bed Member Formation Revett Formation By David E. Boleneus, Larry M. Appelgate, Tracy L. Rehwald, and Craig F. Horlacher Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-46 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 St. Regis Formation Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 895 ft Sedimentary structures Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Revett Formation Figure A-47. McKay Creek (White) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-47 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTTmt a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 228 ft Figure A-48. McKay Creek North measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-48 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B Upper Revett Middle Revett Lower Revett Bed thickness Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Magnetite Hematite Vitreous Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Banding Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 900 ft Figure A-49. McKay Creek South measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-49 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tm t Pyrite (framboid) Bed Member Formation Revett Formation Total depth, 202 ft Sedimentary structures Color Rock type Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-50 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin Figure A-50. Green Mountain measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase
A B Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 504 ft Figure A-51. Waloven Creek (lower) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-51 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 613 ft Figure A-52. Waloven Creek (upper) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-52 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Calcite bedform Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac ssq ssq q VTT m t a p t Sedimentary structures Color Rock type Bed Member Formation Revett Formation ? Total depth, 376 ft Figure A-53. Sims Creek (west slope) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-53 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A ? Fault ? Upper Revett Middle Revett Lower Revett Middle Revett ? Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Sedimentary structures Color Rock type Bed Member Formation Grain size Revett Formation ? Total depth, 1,154 ft Figure A-54. Sims Creek 1, 2 (east slope) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-54 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 talus talus talus Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A Upper Revett Middle Revett Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Revett Formation a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t asac s sq ssq q VTTmt a p t Color Rock type Figure A-55. Miners Gulch (Vermilion River) measured section Total depth, 570 ft Bed Member Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-55 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 705 ft Sedimentary structures Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Bed Member Formation Revett Formation Figure A-56. DDH VR-11 (Vermilion River) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-56 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Middle Revett Lower Revett Overburden Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 770 ft a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Rock type Color Sedimentary structures Figure A-57. DDH VR-4 (Vermilion River) diamond-drill-hole section Revett Formation Bed Member Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-57 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Calcite bedform Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size p a p t a p t a p t a p t a p t a p t p p a p t VT Th m t t p a t p a asac s sq ssq q t p a t p a t p a t p a t p a Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 670 ft Figure A-58. Rush Lake measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-58 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 Total depth, 1,300 ft Color Rock type Bed Formation Member Figure A-59. Vermilion River (White) measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTTmt By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-59 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Revett Formation after B. White (unpub. data) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H J Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Calcite bedform Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,183 ft Figure A-60. Slide Rock Mountain measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-60 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Manganese oxide Banding Magnetite Hematite Feldspar Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Sedimentary structures Color Rock type Revett Formation Bed Member Formation Figure A-61. Deep Creek measured section Total depth, 1,076 ft By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-61 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 Sedimentary structures Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t a sac s sq ssq q VT T m t Revett Formation Bed Member Formation Total depth, 1,235 feet Figure A-62. Graves Peak measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-62 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t a sac s sq ssq q VT T m t Sedimentary structures Color Rock type Total depth, 1,435 ft Revett Formation Bed Member Formation Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-63 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin Figure A-63. Graves Creek Falls measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase
St. Regis Formation Upper Revett Middle Revett Lower Revett A B Grain size 1,000 2,000 1,500 Bed thickness Color Rock type Bed Member Formation Figure A-64. Thompson River measured section VT T m t a sac s sq ssq q Total depth, 2,100 ft By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-64 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 2,000 1,500 Revett Formation Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H J Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,200 1,400 1,600 1,800 2,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 2,069 ft Figure A-65. DDH TC-9 (Trout Creek) diamond-drill-hole section True thickness, feet Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-65 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,200 1,400 1,600 1,800 2,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Lower Siltite Lower Quartzite A B D E F G H Wallace Formation St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t a sac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Fault Fault Fault Fault Figure A-66. DDH TC-8 (Trout Creek) diamond-drill-hole section Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-66 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 2,000 St. Regis Formation Total depth, 1,976 ft Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A (faulted) B D E F G H Middle Revett (faulted) Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,400 1,600 1,800 2,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 2,113 ft Figure A-67. DDH TC-10 (Trout Creek) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-67 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,400 1,600 1,800 2,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D ? E ? F Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,015 ft Figure A-68. Trout Creek 1, 2 measured section St. Regis Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-68 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Total depth, 899 ft Figure A-69. DDH TC-7A (Trout Creek) diamond-drill-hole section Fault By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-69 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 2,000 Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Revett Formation Total depth, 2,035 ft Figure A-70. Trout Creek (White) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-70 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY after B. White (unpub. data) 1,000 1,500 2,000 F G H J Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Calcite Galena Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,214 ft Figure A-71. DDH TC-5A (Trout Creek) diamond-drill-hole section True thickness, feet Overburden By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-71 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Pyrite (framboid) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Bed Member Formation Sedimentary structures Color Rock type Total depth, 694 ft Figure A-72. West Fork of Trout Creek 1 measured section E Lower Revett Revett Formation F G H J Burke Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-72 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Middle Revett Lower Revett Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Bed thickness Vitreous Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 808 ft Figure A-73. West Fork of Trout Creek 2 measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Sedimentary structures Color Rock type Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-73 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B ? C ? D E F Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Bed Member Formation Revett Formation Sedimentary structures Color Rock type Total depth, 883 ft Figure A-74. Windfall Peak measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-74 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Lower Quartzite A B Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Bed Member Formation Revett Formation Sedimentary structures Color Rock type Total depth, 706 ft Figure A-75. White Pine Creek 2, 3, 4 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-75 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A ? B ? C ? D E F St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Revett Formation Total depth, 956 ft Figure A-76. Ripper Creek measured section Sedimentary structures Color Rock type By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-76 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,173 ft Figure A-77. Miller Gulch (Sex Peak) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-77 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite (?) Lower Quartzite (?) A B D E F G St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Bed Member Formation Sedimentary structures Color Rock type Revett Formation Total depth, 1,383 ft Figure A-78. Beaver Creek Road measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-78 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Bed thickness Vitreous Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Sedimentary structures Color Rock type Upper Revett Revett Formation Middle Revett Lower Revett Total depth, 939 ft Figure A-79. Little Beaver Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-79 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 410 ft Sedimentary structures Color Rock type Figure A-80. Clear Peak (Asarco) measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Bed Member Formation Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-80 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
D E F G Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 567 ft Figure A-81. Beaver Peak North measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-81 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Grain size Total depth, 885 ft Sedimentary structures Color Rock type Figure A-82. Clear Peak (White) measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Formation Member Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-82 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY after B. White (unpub. data) Pyrite (framboid) Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 1,600 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,585 ft Figure A-83. Beaver Lake 1, 2 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-83 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 1,600 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,062 ft Fault Figure A-84. DDH CP-5 (Clear Peak) diamond-drill-hole section True thickness, feet By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-84 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 D E Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B Fault D E F Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Calcite Galena Pyrite (framboid) Grain size 1,000 1,200 ap t apt apt apt apt apt apt p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Bed Member Formation Sedimentary structures Color Rock type Revett Formation Total depth,1,260 ft Figure A-85. DDH CP-4 (Clear Peak) diamond-drill-hole section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-85 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematie Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Sedimentary structures Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Bed Member Formation Revett Formation Total depth, 690 ft Figure A-86. Twentyfour Mile Creek (Clear Peak 1) measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-86 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A or C (?) Middle Revett (?) Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Bed Member Formation Revett (?) Formation Sedimentary structures Color Rock type Total depth, 182 ft Figure A-87. Janstan measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-87 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G H Lower Revett Burke Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain Size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTT m t Bed Member Formation Revett Formation Sedimentary structures Color Rock type Total depth, 1,098 ft Figure A-88. West Fork of Crow Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-88 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite Upper Revett Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Bed thickness Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Bed Member Formation Revett Formation Sedimentary structures Color Rock type Total depth, 337 ft Figure A-89. Spokane Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-89 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Grain size Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Pyrite (framboid) Bed Member Formation Lower Revett Revett Formation Sedimentary structures Color Rock type Total depth, 292 ft Figure A-90. Spokane-Chipmunk Ridge 3 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-90 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Lower Siltite Lower Quartzite A B D E F Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 990 ft Figure A-91. Chipmunk 1 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-91 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F Middle Revett Lower Revett a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Chlorite Bornite Copper Oxide Chalcopyrite Galena Calcite Pyrite (framboid) Bed Formation Member Sedimentary structures Color Rock type Bed thickness Revett Formation Grain size Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Total depth, 562 ft Figure A-92. Chipmunk 2 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-92 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 700 ft Figure A-93. Bloom Peak measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-93 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
H Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 396 ft Figure A-94. East Lake measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-94 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B ? C ? D E F G Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Revett Formation Total depth, 1,215 ft Figure A-95. West Fork of Eagle Creek 3 measured section Sedimentary structures Color Rock type St. Regis Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-95 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F G H J St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,755 ft Figure A-96. West Fork of Eagle Creek 1, 2 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-96 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A ? B ? D E F G H St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 1,400 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,372 ft Figure A-97. West Fork of Eagle Creek 5 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-97 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 1,400 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 604 ft Figure A-98. Cottonwood measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-98 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Chalcopyrite Copper oxide Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 822 ft Figure A-99. Bobtail Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-99 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Relative abundance Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite Middle Quartzite Lower Siltite Lower Quartzite A B D E F St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,200 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,235 ft Figure A-100. Niagara measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-100 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,200 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D Lower Revett Bed thickness Sedimentary structures Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size Total depth, 870 ft Color Rock type a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Revett Formation Figure A-101. Revett Lake measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-101 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Fault St. Regis Formation Revett Formation Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Bed Member Formation Sedimentary structures Color Rock type Total depth, 1,032 ft Figure A-102. DDH MG-6 (Military Gulch) diamond-drill-hole section A B Lower Revett Middle Revett Upper siltite Middle quartzite Lower siltite Lower quartzite By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-102 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY True depth (ft) 1,000 Upper Revett Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 698 ft Figure A-103. Prichard Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-103 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 620 ft Figure A-104. Coeur d'Alene River 3 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-104 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 481 ft Figure A-105. Cedar Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-105 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Magnetite Hematite Banding Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 954 ft Figure A-106. Little Grizzly Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-106 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Fault (?) A St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Chalcopyrite Copper oxide Galena Calcite Pyrite (framboid) Grain size 1,000 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 998 ft Figure A-107. Grizzly Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-107 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 873 ft Figure A-108. Timmies Section measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-108 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 674 ft Figure A-109. Maple Cliffs measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-109 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 214 ft Figure A-110. Graham Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-110 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Quartzite Upper Siltite St. Regis Formation Upper Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VTTm t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 397 ft Figure A-111. Silver Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase q a s Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-111 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 693 ft Figure A-112. Castle Rock measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-112 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Upper Revett Middle Revett Bed Thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese Oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain Size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VT Tm t Sedimentary structures Color Rock Type Bed Member Formation Revett Formation Total depth, 354 ft Figure A-113. Coal Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-113 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A B D E F G St. Regis Formation Upper Revett Middle Revett Lower Revett 1,000 1,500 2,000 2,500 3,000 3,500 4,000 Color Kellogg measured section Rock type Grain size Bed Member Formation Total depth, 4,110 ft asac s sq ssq q Figure A-114. Kellogg measured section* Revett Formation 2,000 By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-114 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Revett Formation Color Rock type Grain size Bed Member Formation asac s sq ssq q continued at top right Kellogg measured section (continued) Upper Revett Middle Revett data from B. White (unpub. data) *Upper Revett data assembled from drill core and measured sections from Bunker Hill mine; middle Revett and lower Revett data assembled from measured section at Big Creek near Sunshine mine. Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 2,000 3,000 4,000 Rock type Color a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT Tmt Sedimentary structures Bed Member Formation Revett Formation Total depth, 4,400 ft Figure A-115. Latour Peak-Boise Peak measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-115 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 2,000 3,000 4,000 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Bed thickness Vitreous Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Sedimentary structures Color Rock type Bed Member Formation Upper Revett Revett Formation Total depth, 268 ft Figure A-116. North of Prado Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-116 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Fault (?) Fault (?) Fault (?) Fault (?) Fault (?) A B Upper Revett (faulted) Middle Revett (faulted) Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 Total depth, 1,936 ft Figure A-117. Bumblebee Road measured section a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t a sac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-117 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 St. Regis Form. contact is probably nearby Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
A Upper Revett Middle Revett Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTm t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 526 ft Figure A-118. Browns Gulch measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-118 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY St. Regis contact is probably nearby Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Py rite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Upper Revett Revett Formation Total depth, 185 ft Figure A-119. County Creek measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-119 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
St. Regis Formation Upper Revett Middle Revett (?) Lower Revett Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size 1,000 1,500 a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Revett Formation Total depth, 1,807 ft Figure A-120. Little Tepee Creek 1, 2 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-120 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1,000 1,500 Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper Oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac ssq ssq q VTTmt Sedimentary structures Color Rock type Bed Member Formation St. Regis Formation Total depth, 662 ft Figure A-121. North Fork of Coeur d'Alene Section 20 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-121 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
Bed thickness Vitreous Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Manganese oxide Banding Magnetite Hematite Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size a p t a p t a p t a p t a p t a p t a p t p p p a p t a p t a p t a p t a p t a p t a p t asac s sq ssq q VT T m t Sedimentary structures Color Rock type Bed Member Formation Lower Revett Revett Formation Total depth, 280 ft Figure A-122. North Fork of Coeur d'Alene Section 25 measured section By David E. Boleneus, Larry M. Appelgate, and Derrick W. Chase Relative abundance Relative abundance True depth (ft) SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-122 True depth (ft) U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin
1,000 1,500 2,000 2,500 By David E. Boleneus, Jeremy C. Larsen, and Kenneth C. Assmus Figure A-123. Hope (David Thompson Game Preserve) measured section SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-123 U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Bed Member Formation True depth (ft) a p t a p t a p t a p t a p t a p t a p t Bed thickness t m T VT Relative abundance Relative abundance Total depth, 2,700.9 ft Grain size asac s sq ssq q Rock color Rock type 1,000 1,500 2,000 2,500 Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Banding Magnetite Hematite t p a t p a t p a t p a t p a t p a t p a True depth (ft) Manganese oxide t p a St. Regis Formation Revett Formation Upper Vitreous Sedimentary structures Middle Lower p Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin Massive
By David E. Boleneus, Jeremy C. Larsen and Kenneth C. Assmus Figure A-124. Military Gulch (upper) measured section Vitreous Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size asac s sq ssq q Sedimentary structures Rock color Rock type True depth (ft) a p t a p t a p t a p t a p t a p t a p t SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-124 U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Relative abundance Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Banding Magnetite Hematite t p a t p a p t p a t p a t p a t p a Relative abundance Manganese oxide t p a Bed thickness t m T TV True depth (ft) Bed Member Formation Upper member St. Regis Formation Revett Formation Middle member Lower member Total Depth, 645.9 ft p Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin Massive
By David E. Boleneus, Jeremy C. Larsen and Kenneth C. Assmus Figure A-125. Military Gulch (lower) measured section St. Regis Formation Revett Formation Upper Middle Lower Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin Massive Vitreous Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Sedimentary structures Bed Member Formation True depth (ft) a p t a p t a p t a p t a p t a p t a p t Bed thickness t m T VT Total depth, 595 ft Grain size a sac s sq ssq q Rock color Rock type SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-125 U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Relative abundance : Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Banding Magnetite Hematite t p a t p a t p a t p a t p a t p a t p a True depth (ft) Relative abundance Manganese oxide t p a p
SCIENTIFIC INVESTIGATIONS REPORT 2005-5231 FIGURE A-126 U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY By David E. Boleneus, Jeremy C. Larsen and Kenneth C. Assmus Figure A-126. Lower Glidden Lake measured section True depth (ft) Chlorite Bornite Copper oxide Chalcopyrite Galena Calcite Pyrite (framboid) Grain size asac s sq ssq q Vitreous Sedimentary structures Rock color Rock type True depth (ft) a p t a p t Bed thickness t m T VT Relative abundance Pyrite (cubic) Ankerite Bedform (carbonate) Feldspar Banding Magnetite Hematite t p a t p a p t p a t p a t p a t p a Relative abundance Manganese oxide t p a a p t a p t a p t a p t a p t Total Depth, 389.1 ft Bed Member Formation Burke Formation p Rock color Rock type Lavender Gray Green Argillite Silt-argillite couplets Siltite Silty quartzite Slightly silty quartzite Quartzite EXPLANATION Grain size sac sq ssq q a Argillite Silt-argillite couplets s Siltite Silty quartzite Slightly silty quartzite Quartzite Greenish gray White Sedimentary structures Crossbedding Ripple-drift lamination Horizontal lamination Mudchips or rip up clasts Soft-sediment deformation, or ball and pillow Water escape Graded beds Black Overburden or covered interval Intrusive Relative abundance t Trace p Present a Abundant Bed thickness VT Very thick T Thick m Medium thick t Thin Massive