Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formPEAR-SHAPED
Materials
Ore mineralsMuscovite
GangueAlbite, Apatite, Beryl, Quartz, Tourmaline
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10010786
MRDS IDD004758
Alternate namesWestinghouse No. 2
RegionNA
Data scoreB
Coordinates43.74774, -103.62806
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707ROBERT, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18