Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsBiotite, Muscovite
GangueAlbite, Quartz, Tourmaline
Geology
Host rockPegmatite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusPast Producer
Discovery year1943
Identification
Deposit ID10011961
MRDS IDD007170
RegionNA
Data scoreB
Coordinates43.74135, -103.59973
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA, PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707