Mine detail: Edison Mine

Previously called 'Bull ConHector FractionSitting BullGold Star Claims'

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Location

Lat / long:

43.88218, -103.40556

Resource(B)

Primary:	Lithium
Secondary:	Mica, Feldspar, Beryllium, Tantalum
Ore:	Beryl, Feldspar, Muscovite, Spodumene
Gangue:	Albite, Calcite, Holmquistite, Hornblende, Pyrite, Quartz
Orebody form:	IRREGULAR DIKES

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1917

Geology

Host type:	Pegmatite
Associated type:	Pegmatite
Tectonic:	Southern Black Hills
Alteration processes:	The Core Spodumene Crystals Range From Fresh To Highly Altered.

References

MRDS	D007164
DEP	10011957
Reference	{Deposit:: U.S. BUREAU OF MINES, 1954, 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}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}
Reporter	Barari, Rachel A.