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Landers mine

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Mica Mine in Mitchell county, North Carolina

Landers mine

Principal periods worked 1900, 1935, 1944
Workings Cut, 3, inclines
Description of muscovite Brown, clear
Production Moderate sheet
Shape Pinch and swell.
Size 1-7 T
Strike NE
Dip SE
Relation to wallrock Concordant
Wallrock Hornblende gneiss, biotite alteration
Remarks Pl-Q-P-M pegmatite; accessory garnet.
Source of information USGS

Geographic context

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Geologic map unit -82.058958881, 36.044375772
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