South Dakota · Custer County
Occurrence

Lost Spring Lode Prospect

Custer County, South Dakota, United States
Feldspar
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar
Commodity typeN
Deposit
Deposit sizeN
WorkingsSurface
Materials
Ore mineralsFeldspar
GangueMica, Quartz, Tourmaline
Geology
Host rockQuartzite,Pegmatite
Associated rockPegmatite
Economic & production
Development statusOccurrence
Identification
Deposit ID10095922
MRDS IDSD02552
RegionNA
Data scoreC
Coordinates43.6844, -103.51473
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 180