South Dakota · Pennington County
Past Producer

Dike Lode

Pennington County, South Dakota, United States
FeldsparMicaBerylliumLithium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar, Mica, Beryllium, Lithium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formPEAR-SHAPED
Materials
Ore mineralsAmblygonite, Beryl, Feldspar, Muscovite, Spodumene
GangueQuartz
Geology
Host rockMica Schist,Pegmatite
Associated rockPegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10055770
MRDS IDSD02515
Alternate namesDyke Lode
RegionNA
Data scoreB
Coordinates43.85663, -103.40528
References
USGS PP 247, P. 101-102USBM INFO CIRC 7707, P. 69-70