South Dakota · Custer County
Past Producer

Bellmare No. 1 and No. 4 and Wildwood Claims

Custer County, South Dakota, United States
FeldsparMica
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar, Mica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface
Orebody formA NUMBER OF DIKES AND IRREGULARS
Materials
Ore mineralsMica
GangueQuartz
Geology
Host rockPegmatite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusPast Producer
Identification
Deposit ID10104264
MRDS IDSD02443
RegionNA
Data scoreC
Coordinates43.69302, -103.50417
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707