Commodities
PrimaryFeldspar, Mica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR BLOW-UP
Materials
Ore mineralsFeldspar, Mica
GangueQuartz, Tourmaline
Geology
Host rockPegmatite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusProducer
Identification
Deposit ID10055730
MRDS IDSD02459
Alternate namesSt. Louis Mine
RegionNA
Data scoreC
Coordinates43.73802, -103.51723
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707USBM, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, USBM INFO. CIRC 7707