South Dakota · Custer County
Past Producer

Eruption Lode

Custer County, South Dakota, United States
LithiumBerylliumFeldsparMica
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLithium, Beryllium, Feldspar, Mica
Commodity typeB
Deposit
Deposit sizeS
Orebody formDIKE-LIKE
Materials
Ore mineralsAmblygonite, Beryl, Feldspar, Muscovite
GangueQuartz, Tourmaline
Geology
Host rockSchist
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusPast Producer
Identification
Deposit ID10055736
MRDS IDSD02468
Alternate namesVolcano Lode
RegionNA
Data scoreB
Coordinates43.72496, -103.69668
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707