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Winters prospect

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Mica Prospect in Avery county, North Carolina

Winters prospect

Principal periods worked 1951-52
Workings Prospect pits
Description of muscovite Green, "A" structure, hard, cracked
Production Small sheet
Shape Lenses
Size 1-5 T, 15-20 L
Strike NE
Dip SE
Plunge NE
Relation to wallrock Concordant
Wallrock Mica schist
Remarks Pl-Q-M pegmatite, coarse grained.
Source of information DMEA

Geographic context

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Geologic map unit -82.02002964, 36.004011234
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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