South Dakota · Pennington County
Occurrence
Michigan Placer Ground
Pennington County, South Dakota, United States
Mica
Feldspar
Tungsten
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USGS source ↗
Commodities
Primary
Mica, Feldspar, Tungsten
Commodity type
B
Deposit
Deposit size
N
Orebody form
DIKE (PEGMATITE)
Materials
Ore minerals
Feldspar, Muscovite, Wolframite
Gangue
Garnet, Quartz, Tourmaline
Geology
Host rock
Schist · Schist
Associated rock
Pegmatite · Pegmatite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055670
MRDS ID
SD02280
Region
NA
Data score
B
Coordinates
43.88802, -103.55167
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707