Commodities
PrimaryFeldspar
SecondaryBeryllium, Mica, Tantalum
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Materials
Ore mineralsBeryl, Columbite, Feldspar, Mica, Tantalite
GangueQuartz, Tourmaline
Geology
Host rockSchist
Associated rockPegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10055782
MRDS IDSD02534
RegionNA
Data scoreB
Coordinates43.6869, -103.6075
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 158 - 159USBM CIRC 7707, P. 159