Commodities
PrimaryFeldspar, Mica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsFeldspar, Muscovite
GangueQuartz
Geology
Host rockSchist · Schist
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
First production1943
Identification
Deposit ID10055557
MRDS IDSD02137
RegionNA
Data scoreB
Coordinates43.75329, -103.59834
References
US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707 .