Commodities
PrimaryFeldspar, Lithium, Beryllium, Mica
Commodity typeB
Deposit
Deposit sizeS
Orebody formIRREGULAR DIKE
Materials
Ore mineralsBeryl, Feldspar, Muscovite, Spodumene
GangueAlbite, Cleavelandite, Lepidolite, Opal, Quartz, Vivianite, Zircon
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10010781
MRDS IDD004750
RegionNA
Data scoreB
Coordinates43.87524, -103.36139
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707ROBERTS, WL.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18