Commodities
PrimaryBeryllium, Feldspar
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formDIKE
Materials
Ore mineralsBeryl, Microcline
GangueCuprite, Galena, Malachite, Mica, Pyrite, Quartz, Tenorite, Tourmaline, Vanadinite
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
AlterationMicrocline Is Stained Yellow
Economic & production
Development statusPast Producer
Identification
Deposit ID10055685
MRDS IDSD02300
RegionNA
Data scoreB
Coordinates43.86913, -103.38167
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18