Mine detail: Steamboat Tunnel

Previously called 'Great Western Mines Group'

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Location

Lat / long:

40.573, -111.58078

Resource(M)

Primary:	Iron, Copper
Ore:	Bornite, Chalcocite, Chalcopyrite, Magnetite
Gangue:	Forsterite, Mica
Orebody form:	IRREGULAR
Discovery year:	1925

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1905

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, Cordilleran Hingeline, Sevier Overthrust Belt
Tectonic:	Basin And Range-Colorado Plateau Transition Zone
Alteration processes:	Oxidation

References

MRDS	D011975
DEP	10014890
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}
Reporter	Shubat, Michael A.