Commodities
PrimaryMica, Feldspar
SecondaryBeryllium
Commodity typeB
Materials
Ore mineralsAlbite, Beryl, Biotite, Microcline, Muscovite
GangueQuartz
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
AlterationMica Is Air-Stained, Mineral-Stained And Badly Reeved.
Economic & production
Development statusPast Producer
Identification
Deposit ID10101552
MRDS IDD004762
RegionNA
Data scoreB
Coordinates43.78524, -103.6025
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707