Commodities
PrimaryFeldspar, Mica
Commodity typeN
Materials
Ore mineralsMuscovite, Plagioclase
GangueApatite, Melanterite, Opal, Pyrite, Quartz
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10104261
MRDS IDSD02318
RegionNA
Data scoreB
Coordinates43.83802, -103.54028
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 18U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707