South Dakota · Custer County
Past Producer

Lincoln No. 6 Lode

Custer County, South Dakota, United States
BerylliumFeldsparMica
⌖ Show on mapUSGS source ↗
Commodities
PrimaryBeryllium
TertiaryFeldspar, Mica
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Materials
Ore mineralsBeryl, Feldspar, Mica
GangueQuartz, Tourmaline
Geology
Host rockSchist
Associated rockPegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10055766
MRDS IDSD02511
RegionNA
Data scoreC
Coordinates43.67635, -103.63306
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 158USBM INFO CIRC 7707, P. 158