South Dakota · Pennington County
Past Producer
Sunnyside Group
Pennington County, South Dakota, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold, Silver
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Workings
Underground
Materials
Ore minerals
Gold, Silver
Gangue
Quartz
Geology
Host rock
Schist · Schist
Economic & production
Development status
Past Producer
First production
1895
Identification
Deposit ID
10055691
MRDS ID
SD02308
Region
NA
Data score
C
Coordinates
43.95663, -103.59363
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707