South Dakota · Custer County
Occurrence
Victory Claim
Custer County, South Dakota, United States
Beryllium
Mica
Feldspar
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USGS source ↗
Commodities
Primary
Beryllium, Mica, Feldspar
Commodity type
B
Deposit
Deposit size
N
Workings
Surface
Orebody form
WEDGE-SHAPED DIKE
Materials
Ore minerals
Beryl, Feldspar, Mica
Gangue
Chrysoberyl
Geology
Host rock
Slate,Granite
Associated rock
Pegmatite,Granite
Alteration
Feldspar Is Stained.
Economic & production
Development status
Occurrence
Identification
Deposit ID
10012492
MRDS ID
D008145
Region
NA
Data score
B
Coordinates
43.67107, -103.53584
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707