Mine detail: Mountain Lake Mine

Previously called 'Jack'

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Location

Lat / long:

40.58244, -111.58495

Resource(M)

Primary:	Copper, Tungsten, Molybdenum, Gold, Silver
Ore:	Bornite, Chalcocite, Chalcopyrite, Scheelite
Gangue:	Actinolite, Brucite, Chlorite, Epidote, Forsterite, Phlogopite, Serpentine, Talc, Tremolite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1907

Geology

Host type:	Limestone
Associated type:	Diorite
Structure:	Grizzly Overthrust
Alteration processes:	Intense Contact Metamorphism Along Contact Of Granodiorite And Madison Ls.

References

MRDS	DC14733
DEP	10021034
Reference	{Deposit:: CALKINS,F.C. & BUTLER,B.S., 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA: USGS PROF. PAPER 201, P. 113-114.}{Deposit:: EVERETT, F. D., 1961 , TUNGSTEN DEPOSITS IN UTAH: USBM INF. CIR. C8014 , P. 22}{Deposit:: CRAWFORD,A.L. & BURANEK,A.M., 1944, TUNGSTEN RESERVES DISCOVERED IN THE COTTONWOOD & AMERICAN FORK MINING DISTRICTS: UTAH ENGN. EXP. STATION, BULL. 24, P. 19-27.}{Deposit:: JAMES,L.P., 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT: UTAH GEOL. & MIN. SURV., BULL. 114, P. 87-88.}
Reporter	Unknown, Wong, George (Tooker, Ed)