South Dakota · Custer County
Occurrence
Pick Lode
Custer County, South Dakota, United States
Feldspar
Mica
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USGS source ↗
Commodities
Primary
Feldspar, Mica
Commodity type
N
Deposit
Deposit size
N
Workings
Surface
Orebody form
DIKE LIKE
Materials
Ore minerals
Feldspar, Mica
Gangue
Quartz, Tourmaline
Geology
Host rock
Pegmatite
Associated rock
Granite · Pegmatite;Granite
Alteration
Iron Stained
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055649
MRDS ID
SD02255
Region
NA
Data score
C
Coordinates
43.80885, -103.53695
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707