South Dakota · Custer County
Occurrence
Dorothy No. 1 Lode
Custer County, South Dakota, United States
Feldspar
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USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Deposit
Deposit size
N
Workings
Surface
Orebody form
IRREGULAR
Materials
Ore minerals
Feldspar
Gangue
Mica, Quartz, Tourmaline
Geology
Host rock
Schist
Associated rock
Pegmatite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10012484
MRDS ID
D008133
Region
NA
Data score
C
Coordinates
43.75552, -103.63445
References
USBM INFO CIRC 7707, P. 107