Mica deposits of the Blue Ridge in North Carolina
<p>Pegmatites in the Blue Ridge of North Carolina are important sources of sheet and scrap mica, feldspar, kaolin, and quartz. Small amounts of beryl,…
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY EXPLANATION "
Unaka
Hiwassee w,o ,. c HoE ,Patdck ziJ: 00ak Park WI ·JBear 1- Postell Paw
0 Suit Base from U .S. Geological Survey map of North Carolina, 1957 Ogreeta Birch Tennessee includes WhiteBide Granite and "alaRkite"at Spruce Pine. Peymatites of same general age shown. as dots B Sedimentary rocks
EJ Chilhowee Group Rocks of Murphy marble belt Generally areas of Chilhowee but locally includeB Shady Dolomite and Rome Formation Ocoee Series Includes Mount Rogers Volcanic Group in 'IWrtheast Tennessee and northwest North Carolina and Grandfather Mountain Formation in Grandfather Mountain window
Bakersville Gabbro Granite and nonlayered granitic gneiss Include the Beech and Max Patch Granites and the Blowring Rock and Wilson Creek Gneisses B Layered granitic gneiss Cranberry Gneiss B. Mica and hornblende gneiss and schist The Carolina and Roan Gneisses of Keith. May include some metamorphosed Ckoee and younger(?) rocks. Include small masses ojdunitt and other ultramu/V: rocks of Paleozoic (?) age z u w "' a. Contact Unclassified fault Thrust fault Sawtuth on upper plate Granitic pegmatite or groups of closely spaced pegmatite Kyanite isogra.d Northwestern limit of Kyanite zone SOURCES OF DATA Keith (1903, 1904, 1905a, b, 1907a- c, 1950) Rodgers (1953) North Carolina Division Mineral Resources (1958) Neuman and Wilson (1960) King and Ferguson (1960) Reed and others (1961) Bryant (1962) Bryant and Reed (1962) Ordway (1959) Ferguson and Jewell (1951) Oriel (1950) Cameron (1951) Hamilton (1961) Hadley and Goldsmith (1963) Bryant (1963) Reed (1964a, b) Reed and Bryant (1964) Neuman and Nelson (1965) King (1964) Hadley and Nelson (written commun., 1965) PREPARED IN PART IN COOPERATION WITH NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT AND IN PART IN COOPERATION WITH THE DEFENSE MINERALS EXPLORATION Pensacola')
uttiSRiver c;
Paint Fork
.
/ .,,- Democrat Pa1nt Fork cBeech n.Wea"vervil!e M
r (JJ G I ,
B Cedar'' - ( ·- /" 0 Edneyvi!le ) PROFESSIONAL PAPER 577 (j Dysortvil!e
Plate 1
T
. Ci Twin Oaks QIOp!a Peden ® Sparta E Orionc,
o Valley : Lau_rel / V""" G - €. Spnngs Beav,er Creek lit nrlfather Mtn :
· ' Othello. -., , . B~!dwin O Sprmgs £ M-cGrady0 o P gs 0Raven Oval Obids · todd't\ o Fleetwood O o . r j , ldlew1ldr' " . o Walsh A Deep G~;,...:_/ i_summit M.c, '"' W Laxon .
ParsonvilleD L· Oakwoods c; o Moravian Falls 0 Boomer
c Gilreath o Chambers
WE Pleasant oGrove / 'C 2680
SCALE 1:500 000 1EO OE §l0 2E0 3§0 MILES DATUM IS MEAN SEA LEVE L GEOLOGIC MAP OF PART OF THE BLUE RIDGE OF NORTH CAROLINA AND TENNESSEE SHOWING RELATIONSHIP OF GRANITIC PEGMATITES TO REGIONAL GEOLOGY INTER IOR__:GEOLOGICAL SURVEY. WASHINGTON , D. C.-1967-G67084 Geology compiled and modified by F. G. Lesure, 1963-65