South Dakota · Custer County
Occurrence
Lincoln No. 7 Lode Prospect
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
Materials
Gangue
Quartz, Tourmaline
Geology
Host rock
Schist,Pegmatite
Associated rock
Pegmatite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055803
MRDS ID
SD02561
Region
NA
Data score
C
Coordinates
43.72329, -103.66224
References
USBM INFO CIRC 7707, P. 150