South Dakota · Custer County
Occurrence
Lucky Spar 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
Workings
Surface
Orebody form
DIKELIKE
Materials
Ore minerals
Feldspar, Mica
Gangue
Quartz, Tourmaline
Geology
Host rock
Schist · Schist
Associated rock
Pegmatite · Pegmatite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055667
MRDS ID
SD02277
Region
NA
Data score
C
Coordinates
43.74524, -103.60306
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707