Commodities
PrimaryFeldspar, Mica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsFeldspar, Mica
GangueAmblygonite, Lepidolite, Quartz, Sillimanite, Spodumene, Tourmaline
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10104262
MRDS IDSD02327
RegionNA
Data scoreB
Coordinates43.74774, -103.51778
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