Mine detail: Mountain Lake Mine

Previously called 'Mountain Lake GroupGreat Western MinesGreat Western AditGreat Western Tunnel'

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Location

Lat / long:

40.58355, -111.5855

Resource(M)

Primary:	Copper, Iron
Secondary:	Silver, Lead, Gold
Tertiary:	Tungsten
Ore:	Argentite, Bornite, Chalcopyrite, Galena, Gold, Magnetite, Malachite, Pyrite, Scheelite
Gangue:	Actinolite, Chlorite, Epidote, Forsterite, Garnet, Phlogopite, Serpentine, Talc, Tremolite
Orebody form:	IRREGULAR
Discovery year:	1875

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1907
Last production ended:	1908

Geology

Host rock:	Gardison Limestone;Deseret Limestone
Host type:	Limestone,Dolomite
Associated rock:	Clayton Peak Stock;Alta Stock
Associated type:	Diorite
Structure:	Uinta-Cottonwood Arch, Sevier Overthrust Belt, Cordilleran Hingeline, Grizzly Thrust Fault
Tectonic:	Basin And Range-Colorado Plateau Transition Zone, Cordilleran Hingeline
Alteration processes:	Calc-Silicate Zone Of Skarn Environment, Oxidation

References

MRDS	D011934
DEP	10014866
Reference	{Deposit:: JAMES. L.P., 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LAKE COUNTY, UTAH: U.G.M.S. BULL. NO. 114.}{Deposit:: CALKINS, F.C., AND BUTLER, B.S., 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 201.}{Deposit:: BUTLER, B.S., LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 111.}{Deposit:: BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D., JR., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE BRIGHTON QUADRANGLE, UTAH: U.S. GEOLOGICAL SURVEY GEOL. QUAD. MAP GQ-534.}{Deposit:: CRAWFORD, A.L., AND BURANEK, A.M., 1957, TUNGSTEN RESERVES DISCOVERED IN THE COTTONWOOD-AMERICAN FORK MINING DISTRICTS, UTAH: UTAH GEOL. AND MIN. SURVEY REPRINT NO. 55.}{Production:: JAMES, L.P., 1979}
Reporter	Shubat, Michael A.