South Dakota · Custer County
Past Producer
Red Spar Mine
Custer County, South Dakota, United States
Feldspar
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium, Mica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10202548
Region
NA
Data score
D
Coordinates
43.69416, -103.72527
References
USBM STAFF,1955,REG V,IC 7707,P198-199REDDEN,J.A.,1963,USGS PROF PAPER 297-D, P 278