Stratigraphy and paleogeographic significance of the Pennsylvanian-Permian Bird Spring Formation in the Ship Mountains, southeastern California
<p>A thick sequence of limestone, dolomite, and minor sandstone assigned to the Pennsylvanian and lower Permian Bird Spring Formation is exposed in the Ship…
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SM2-1 (L) SM2-2 (L) Member 1 Bullion Member Bird Spring Formation Monte Cristo Limestone Mississippian Pennsylvanian AGE FORMATION MEMBER METERS SAMPLE FOSSILS FOSSILS FOSSILS MEASURED UNIT Member 3 Member 2 Member 4 Bird Spring Formation Pennsylvanian Permian Pennsylvanian and/or Permian AGE FORMATION MEMBER METERS SAMPLE MEASURED UNIT SM-5 (L) SM-6 (L) SM-7 (L) SM-8 (L) SM-9 (L) SM-11 (L) SM-12 (L) SM-13 (L) SM-14 (L) SM-15 (L) SM-16 (L) SM-18 (F) SM-23 (F) SM-25 (F) SM-24 (F) SM-27 (F) SM-28 (F) SM-10 (L) SM-1 (L) SM-2 (L) SM-4 (L) SM-3 (L) a a b b-c d d e e a a a b b b c-d a b d d e f g h b a-d b a d d b b b a-b b a a a a a a-c b d-e b-c d e f-g e f a-b a a b a d e f f f-g SM-29 (L) SM-30 (L) SM-33 (F) SM-31 (L) SM-35 (F) SM-36 (L) SM-37 (L) SM-39 (L) SM-40 (L) SM-41 (L) SM-44 (L) SM-54 (L) SM-57 (L) SM-50 (L) SM-51 (L) SM-55 (L) SM-52 (L) SM-53 (L) SM-56 (L) SM-38 (L) SM-34 (L) SM-32 (L) d e f g a a b d e f a a a a a b b-c d a a a-b c-f d e f a b a a-d a b b b d e a d e d e f g-i b d-f g h a b b e b b b d-e b-c h f i-j a a b b Member 5 Bird Spring Formation Permian AGE FORMATION MEMBER METERS SAMPLE MEASURED UNIT SECTION SM2 silty limestone and calcareous siltstone limestone and marble sandy limestone and calcareous sandstone sandy limestone and calcareous sandstone (crossbedded) dolomite silty dolomite sandstone and quartzite calc-silicate rock covered interval chert nodules phosphatic nodules chert bands fossil material EXPLANATION 100 meters SCALE SECTION SM (LOWER PART) SECTION SM (UPPER PART) top of section faulted and covered continues to upper part of section top of section covered base of section covered base of section covered continues from lower part of section fusulinids solitary corals colonial corals brachiopods echinoid spines a-e g-h d-e a-c U.S. Department of the Interior U.S. Geological Survey Scientific Investigations Report 2013-5109 Plate 1 of 1 Stratigraphic Columns for Measured Sections SM and SM2, Ship Mountains, Southeastern California
By Paul Stone, Calvin H. Stevens, Keith A. Howard, and Thomas D. Hoisch Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government Digital files available at http://pubs.usgs.gov/sir/2013/5109/ Suggested Citation: Stone, Paul, Stevens, C.H., Howard, K.A., and Hoisch, T.D., 2013, Stratigraphic columns for measured sections SM and SM2, Ship Mountains, southeastern California, plate 1 in Stratigraphy and paleogeographic significance of the Pennsylvanian-Permian Bird Spring Formation in the Ship Mountains, southeastern California: U.S. Geological Survey Scientific Investigations Report 2013-5109, 42 p., 1 plate, http://dx.doi.org/10.3133/sir20135109.