South Dakota · Custer County
Occurrence
White Cloud Prospect
Custer County, South Dakota, United States
Mica
Beryllium
Feldspar
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USGS source ↗
Commodities
Primary
Mica, Beryllium, Feldspar
Commodity type
B
Deposit
Deposit size
N
Workings
Surface
Orebody form
DIKE
Materials
Ore minerals
Beryl, Feldspar, Mica
Gangue
Quartz
Geology
Host rock
Granite
Associated rock
Pegmatite,Granite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10012466
MRDS ID
D008110
Region
NA
Data score
C
Coordinates
43.70829, -103.62223
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707