Mine detail: Big Cottonwood Mine

Previously called 'Mountain Lake GroupGreat Western Mines'

<< Back to the map

Location

Lat / long:

40.58272, -111.58495

Resource(M)

Primary:	Iron
Secondary:	Copper
Tertiary:	Tungsten
Ore:	Bornite, Chalcopyrite, Magnetite, Scheelite
Gangue:	Actinolite, Brucite, 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:	1875
Last production ended:	1907

Geology

Host rock:	Gardison Limestone;Deseret Limestone
Host type:	Limestone,Dolomite
Associated rock:	Clayton Peak Stock;Alta Stock
Associated type:	Diorite
Structure:	Vinta-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	D011935
DEP	10014867
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:: BULLOCK, K.C., 1970, IRON DEPOSITS OF UTAH: U.G.M.S. BULL. 88, P. 72}{Deposit:: CRAWFORD, A.L., AND BURANEK, A.M., 1957, TUNGSTEN RESERVES DISCOVERED IN THE COTTONWOOD-AMERICAN FORLE MINING DISTRICTS. UTAH: UTAH GEOL. AND MIN. SURVEY REPRINT NO. 55}
Reporter	Shubat, Michael A.