South Dakota · Pennington County
Past Producer
Dan Patch Group
Pennington County, South Dakota, United States
Feldspar
Mica
Beryllium
Tantalum
Zinc
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USGS source ↗
Commodities
Primary
Feldspar, Mica, Beryllium
Tertiary
Tantalum, Zinc
Commodity type
B
Deposit
Deposit size
S
Orebody form
PIPELIKE
Materials
Ore minerals
Beryl, Muscovite, Sphalerite
Gangue
Cleavelandite, Quartz, Triphylite, Uraninite, Zircon
Other materials
Albite
Geology
Host rock
Pegmatite
Associated rock
Pegmatite · Pegmatite
Economic & production
Development status
Past Producer
Discovery year
1905
Identification
Deposit ID
10104257
MRDS ID
SD02302
Region
NA
Data score
B
Coordinates
43.89413, -103.44223
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707AM. MINERALOGIST, VOL 56, P. 1-17.