South Dakota · Custer County
Past Producer

Red Deer Mine

Custer County, South Dakota, United States
Mica
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Materials
Ore mineralsMuscovite
GangueAlbite, Garnet, Magnetite, Microcline, Quartz
Geology
Host rockQuartzite,Pegmatite
Associated rockPegmatite
StructureMany Minor Folds, One Fault
AlterationAir And Mineral Stain
Economic & production
Development statusPast Producer
Last production1943
Identification
Deposit ID10099363
MRDS IDSD02547
RegionNA
Data scoreB
Coordinates43.69468, -103.50195
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 178USGS PP 247, P. 183-186USBM INFO CIRC 7707, P. 178