South Dakota · Custer County
Occurrence

Bald No. 3 Lode

Custer County, South Dakota, United States
Feldspar
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar
Commodity typeN
Deposit
Deposit sizeN
WorkingsSurface/Underground
Orebody formDIKE
Materials
Ore mineralsFeldspar
GangueMica, Quartz, Tourmaline
Geology
Host rockQuartzite,Schist,Granite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusOccurrence
Identification
Deposit ID10055715
MRDS IDSD02437
RegionNA
Data scoreC
Coordinates43.61052, -103.54528
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707