Mine detail: Twiggs Mica Mine

Previously called ''

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Location

Lat / long:

36.04259, -82.07095

Resource(N)

Primary:	Mica
Ore:	Muscovite
Gangue:	Biotite, Pyrite
Orebody form:	TABULAR, PINCH & SWELL

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Past Producer
Production years:	1942, 1956-1958

Geology

Host type:	Gneiss
Structure:	Pegmatite Concordant With Wallrock Structure
Alteration processes:	Unweathered

References

MRDS	K000848
DEP	10025173
Reference	{Deposit:: LESURE, F.G., 1968, MICA DEPOSITS OF THE BLUE RIDGE IN NORTH CAROLINA: U.S. GEOLOGICAL SURVEY PROF. PAPER 577, P. 48-4}{Deposit:: 1968 COMPILE LESURE, F. G}{Production:: USGS PROF. PAPER 577}
Reporter	Fagan, James M.