Commodities
PrimaryLithium, Beryllium, Mica
SecondaryTin, Tantalum, Feldspar
Commodity typeB
Deposit
Deposit sizeS
Orebody formPIPE-SHAPED DIKES
Materials
Ore mineralsAmblygonite, Beryl, Cassiterite, Cleavelandite, Feldspar, Lepidolite, Muscovite, Spodumene
GangueAlmandite, Microlite, Staurolite, Triphylite, Uraninite, Uranophane, Zircon
Geology
Host rockPegmatite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusPast Producer
Identification
Deposit ID10011959
MRDS IDD007168
Alternate namesIngersoll Group, Ben Butler Mine, Horace Greeley Mine
RegionNA
Data scoreC
Coordinates43.74468, -103.45389
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18HENKES, WILLIAM C., MCGREGOR, DUNCAN J., AND STOTELMEYER, R.B., 1967, MINERAL INDUSTRY OF SOUTH DAKOTA IN 1965, SOUTH DAKOTA GEOLOGICAL SURVEY MINERAL ECONOMIC REPORT 13U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707; HENKES, WILLIAM C., MCGREGOR , DUNCAN J., AND STOTELMEYER, R.B., 1967, MINERAL INDUSTRY OF SOUTH DAKOTA IN 1965, SOUTH DAKOTA GEOLOGICAL MINERAL ECONOMIC REPORT 13