South Dakota · Pennington County
Occurrence
McKinnon and Miller's Claim
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
Workings
Surface
Orebody form
DIKE
Materials
Ore minerals
Feldspar, Muscovite, Wolframite
Gangue
Garnet, Quartz, Tourmaline
Geology
Host rock
Pegmatite
Associated rock
Pegmatite · Pegmatite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055662
MRDS ID
SD02271
Region
NA
Data score
B
Coordinates
43.88802, -103.54223
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707