South Dakota · Custer County
Occurrence
Dike No. 2 Mine
Custer County, South Dakota, United States
Feldspar
Lithium
Mica
⌖ Show on map
USGS source ↗
Commodities
Primary
Feldspar, Lithium, Mica
Commodity type
B
Deposit
Deposit size
N
Workings
Surface/Underground
Materials
Ore minerals
Feldspar, Mica, Spodumene
Gangue
Quartz
Geology
Host rock
Pegmatite
Associated rock
Pegmatite
Tectonic setting
Southern Black Hills
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055733
MRDS ID
SD02464
Region
NA
Data score
C
Coordinates
43.70052, -103.57695
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707