South Dakota · Custer County
Past Producer
La Rue Mine
Custer County, South Dakota, United States
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Beryllium, Mica
Commodity type
B
Deposit
Deposit size
S
Workings
Surface
Orebody form
SPUR
Materials
Ore minerals
Beryl, Mica
Gangue
Spodumene, Tourmaline
Geology
Host rock
Granite
Associated rock
Granite
Tectonic setting
Southern Black Hills
Economic & production
Development status
Past Producer
Identification
Deposit ID
10055725
MRDS ID
SD02454
Region
NA
Data score
C
Coordinates
43.59774, -103.50473
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707