Commodities
PrimaryMica, Beryllium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formDIKE
Materials
Ore mineralsBeryl, Muscovite
GangueMicrocline, Quartz
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
AlterationAll Minerals Iron Stained
Economic & production
Development statusPast Producer
Identification
Deposit ID10010784
MRDS IDD004755
RegionNA
Data scoreB
Coordinates43.88385, -103.36695
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