South Dakota · Custer County
Occurrence
Mitchell No. 2 Lode
Custer County, South Dakota, United States
Feldspar
⌖ Show on map
USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Deposit
Deposit size
N
Workings
Surface
Orebody form
DIKELIKE
Materials
Ore minerals
Feldspar
Gangue
Mica, Quartz, Tourmaline
Geology
Host rock
Granite
Associated rock
Pegmatite · Granite;Pegmatite
Alteration
Feldspar Is Iron Stained.
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055642
MRDS ID
SD02247
Region
NA
Data score
C
Coordinates
43.80774, -103.52278
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707