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Mine detail: Powdermill Mine
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North America
United States
North Carolina
Avery
Previously called 'Big Shaft Mine'
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Location
Lat / long:
36.05648, -82.04373
Resource(N)
Primary:
Feldspar, Mica
Ore:
Feldspar
Orebody form:
BRANCHING, TABULAR
Production
Operation type:
Unknown
Production size:
Yes
Development status:
Past Producer
First production started:
1906
Geology
Host type:
Gneiss
Structure:
Pegmatite Is Partly Concordant With The Foliation Of The Enclosing Country Rock
Alteration processes:
Weathered (35 Ft.)
References
MRDS
K003587
DEP
10102361
Reference
{Deposit:: LESURE, F.G., 1968, MICA DEPOSITS OF THE BLUE RIDGE IN NORTH CAROLINA: U.S. GEOLOGICAL SURVEY PROF. PAPER 577, 124 P}{Deposit:: 1968 COMPILE LESURE, F.G. ; REPOR}{Production:: LESURE, F.G., 1968, USGS PROF. PAPER 577.}
Reporter
Fagan, James M.