South Dakota · Custer County
Occurrence
Sky-High Lode
Custer County, South Dakota, United States
Mica
Feldspar
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USGS source ↗
Commodities
Primary
Mica, Feldspar
Commodity type
N
Deposit
Deposit size
N
Orebody form
DIKE-LIKE
Materials
Ore minerals
Feldspar, Mica
Gangue
Quartz, Tourmaline
Geology
Host rock
Pegmatite
Associated rock
Pegmatite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10090893
MRDS ID
D008140
Region
NA
Data score
C
Coordinates
43.61329, -103.53584
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707