South Dakota · Custer County
Occurrence
Fanny Mcadam Ranch Prospect
Custer County, South Dakota, United States
Feldspar
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USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Deposit
Deposit size
N
Orebody form
DIKES
Geology
Host rock
Quartzite
Associated rock
Pegmatite
Tectonic setting
Southern Black Hills
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055737
MRDS ID
SD02470
Region
NA
Data score
C
Coordinates
43.58218, -103.51139
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707