Commodities
PrimaryMica
TertiaryBeryllium
Commodity typeB
Materials
Ore mineralsBeryl, Muscovite
GangueAlbite, Microcline, Quartz
Geology
Host rockSchist · Schist
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10104260
MRDS IDSD02312
RegionNA
Data scoreB
Coordinates43.78107, -103.59862
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707