Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface
Ore controlAll The Mica Is Found In The Wall Zone.
Materials
Ore mineralsMuscovite
GanguePlagioclase, Quartz, Tourmaline
Geology
Host rockQuartzite
Associated rockPegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10012481
MRDS IDD008128
RegionNA
Data scoreC
Coordinates43.61135, -103.4975
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.USGS PP 247, P. 176-177.USBM INFO CIRC 7707.