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Carter Buchanan mine

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Mica Mine in Mitchell county, North Carolina

Carter Buchanan mine

Principal periods worked Pre-WWII
Workings 3 cuts, each 20 diameter
Description of muscovite Green, stained
Production Small sheet, feldspar.
Shape Tabular (?)
Size >20 T
Strike NE
Remarks P-Pl-Q-B-M pegmatite, graphic texture common; accessory vermiculite, garnet, hyalite. Pegmatite walls not exposed.
Source of information USGS

Geographic context

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Geologic map unit -82.073642566, 36.035102144
Nearby scientific data Find additional scientific data near this location

Abbreviations

Principal periods worked
WWI World War I
WWII World War II
int intermittent
Production
Small < 500 lb
Moderate 500-10,000 lb
Large > 10,000 lb
Size of pegmatite
D depth
L length
T thickness
avg average
Internal structure
B biotite
F feldspar
M muscovite
P perthite
Pl plagioclase
Q quartz
Source information
CMC Colonial Mica Corporation
DMEA Defense Minerals Exploration Administration
OME Office of Minerals Exploration
USGS U.S. Geological Survey
OF USGS open-file reports and maps