South Dakota · Custer County
Occurrence
Carroll Claims
Custer County, South Dakota, United States
Feldspar
Mica
Beryllium
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USGS source ↗
Commodities
Primary
Feldspar
Secondary
Mica
Tertiary
Beryllium
Commodity type
B
Deposit
Deposit size
N
Orebody form
IRREGULAR
Materials
Ore minerals
Beryl, Feldspar, Mica
Gangue
Quartz
Geology
Host rock
Pegmatite
Associated rock
Pegmatite
Tectonic setting
Southern Black Hills
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055719
MRDS ID
SD02444
Alternate names
Rosebud, Park, Lookout
Region
NA
Data score
C
Coordinates
43.63718, -103.62306
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707