Commodities
PrimarySilver, Lead
SecondaryCopper, Gold, Manganese, Zinc
TertiaryMolybdenum
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlFissures Striking Northeast, Intersection Of Fissures And Favorable Beds, Proximity To Dikes
Materials
Ore mineralsAnglesite, Argentite, Chalcopyrite, Galena, Gold, Malachite, Smithsonite, Sphalerite, Wad
GangueCalcite, Quartz
Geology
Host rockLimestone,Dolomite · Gardison Limestone;Maxfield Limestone
Associated rockDiorite · Alta Stock;Diorite Dikes And Alaskite Dikes
StructureUinta-Cottonwood Arch, Cordilleran Hinge Line, Sevier Overthrust Belt, Grizzly Thrust Fault, Northeast Striking Fissures
Tectonic settingCordilleran Hinge Line, Basin And Range-Colorado Plateau Transition Zone
AlterationBleaching, Calc-Silicates, Minor Silicification, Oxidation
Economic & production
Development statusPast Producer
First production1909
Last production1928
Discovery year1925
Identification
Deposit ID10014871
MRDS IDD011942
Alternate namesMichigan-Utah Mine, Michigan-Utah Consolidated Mines Company
RegionNA
Data scoreB
Coordinates40.60383, -111.60189
References
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.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.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.BAKER, A.P., 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