Commodities
PrimaryMica, Feldspar, Beryllium
Commodity typeB
Deposit
Deposit sizeS
Orebody formDIKES
Materials
Ore mineralsBeryl, Feldspar, Mica
GangueGarnet, Quartz, Tourmaline, Triphylite, Uraninite, Uranophane, Vanadinite
Geology
Host rockMica Schist,Pegmatite
Associated rockPegmatite
StructureN20e
Economic & production
Development statusPast Producer
Identification
Deposit ID10012475
MRDS IDD008121
RegionNA
Data scoreB
Coordinates43.72968, -103.69557
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.ROBERTS, W. L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKORA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.USGS PP 247, P. 181-183.U.S. BUREAU OF MINES INFO CIRC 7707.