South Dakota · Custer County
Past Producer
Raver and Michaud Mine
Custer County, South Dakota, United States
Feldspar
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USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Deposit
Deposit size
S
Orebody form
NARROW, DIKELIKE
Materials
Gangue
Beryl, Mica, Quartz, Tourmaline
Geology
Host rock
Schist · Schist
Associated rock
Pegmatite · Pegmatite
Economic & production
Development status
Past Producer
Identification
Deposit ID
10010793
MRDS ID
D004768
Region
NA
Data score
C
Coordinates
43.75885, -103.64668
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707