Description
Louis Stratton And Francis Michaud Of Custer, South Dakota
Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
Orebody formDIKE
Materials
Ore mineralsMuscovite
GangueAlbite, Apatite, Biotite, Garnet, Quartz, Tourmaline
Geology
Host rockSchist,Pegmatite
Associated rockPegmatite,Granite
Economic & production
Development statusPast Producer
Discovery year1943
Identification
Deposit ID10097815
MRDS IDD008115
Alternate namesRay Mica Prospect
RegionNA
Data scoreB
Coordinates43.69857, -103.63389
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. 183.USBM INFO CIRC 7707, P. 153.