Mine detail: Bob Ingersoll Mine

Previously called 'Ingersoll GroupBen Butler MineHorace Greeley Mine'

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Location

Lat / long:

43.74468, -103.45389

Resource(B)

Primary:	Lithium, Beryllium, Mica
Secondary:	Tin, Tantalum, Feldspar
Ore:	Amblygonite, Beryl, Cassiterite, Cleavelandite, Feldspar, Lepidolite, Muscovite, Spodumene
Gangue:	Almandite, Microlite, Staurolite, Triphylite, Uraninite, Uranophane, Zircon
Orebody form:	PIPE-SHAPED DIKES

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Pegmatite
Associated type:	Pegmatite
Tectonic:	Southern Black Hills

References

MRDS	D007168
DEP	10011959
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18}{Deposit:: HENKES, WILLIAM C., MCGREGOR, DUNCAN J., AND STOTELMEYER, R.B., 1967, MINERAL INDUSTRY OF SOUTH DAKOTA IN 1965, SOUTH DAKOTA GEOLOGICAL SURVEY MINERAL ECONOMIC REPORT 13}{Production:: U.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}
Reporter	Barari, Rachel A.