Commodities
PrimaryFeldspar
TertiaryBeryllium, Tin, Mica
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formDIKE
Materials
Ore mineralsBeryl, Cassiterite, Feldspar, Mica
GangueQuartz
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
AlterationIron Stained
Economic & production
Development statusPast Producer
Identification
Deposit ID10055648
MRDS IDSD02254
Alternate namesWatson Feldspar Mine
RegionNA
Data scoreB
Coordinates43.88802, -103.38112
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