Description
Fred Heidepriem And Floyd Heman Of Custer, South Dakota
Commodities
PrimaryBeryllium, Feldspar
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formDIKE
Materials
Ore mineralsBeryl, Feldspar
GangueGarnet, Mica, Quartz, Tourmaline
Geology
Host rockGranite
Associated rockPegmatite,Granite
Economic & production
Development statusPast Producer
Identification
Deposit ID10012467
MRDS IDD008112
RegionNA
Data scoreB
Coordinates43.67857, -103.63362
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707USBM INFO CIRC 7707, P. 158.