South Dakota · Pennington County
Past Producer

Monkey Lode

Pennington County, South Dakota, United States
FeldsparBerylliumMica
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar, Beryllium, Mica
Commodity typeB
Deposit
Deposit sizeS
Orebody formDIKE
Materials
Ore mineralsAlbite, Beryl, Muscovite
GangueQuartz
Geology
Host rockSchist · Schist
Associated rockPegmatite · Pegmatite
AlterationMica Is Air Stained.
Economic & production
Development statusPast Producer
Identification
Deposit ID10104246
MRDS IDSD02245
RegionNA
Data scoreB
Coordinates43.88218, -103.5575
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