Description
Frederick Gardner
Commodities
PrimaryFeldspar, Mica, Beryllium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formDIKE
Materials
Ore mineralsBeryl, Microcline, Muscovite
GangueQuartz, Tourmaline
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Discovery year1898
Identification
Deposit ID10055639
MRDS IDSD02243
RegionNA
Data scoreB
Coordinates43.8769, -103.37112
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707