Commodities
PrimaryFeldspar, Mica
SecondaryBeryllium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formDIKE
Ore controlMost Of The Mica Is In A 4 Ft Zone In The Hanging Wall
Materials
Ore mineralsBeryl, Feldspar, Muscovite
GangueQuartz, Tourmaline
Geology
Host rockPegmatite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusPast Producer
Identification
Deposit ID10011982
MRDS IDD007202
Alternate namesSutherland Mine
RegionNA
Data scoreB
Coordinates43.67385, -103.59
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707