South Dakota · Pennington County
Past Producer
Confidence No. 1 Lode
Pennington County, South Dakota, United States
Feldspar
Mica
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USGS source ↗
Commodities
Primary
Feldspar, Mica
Commodity type
N
Deposit
Deposit size
S
Workings
Surface
Orebody form
DIKE
Materials
Ore minerals
Feldspar, Mica
Gangue
Quartz
Geology
Host rock
Pegmatite
Associated rock
Pegmatite
Tectonic setting
Southern Black Hills
Alteration
Feldspar Is Iron Stained
Economic & production
Development status
Past Producer
Identification
Deposit ID
10011979
MRDS ID
D007198
Region
NA
Data score
B
Coordinates
43.87885, -103.40056
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 BUREAU OF MINES INFORMATION CIRCULAR 7707