Red Mountain Mine

Santa Cruz County, Arizona, United States

AluminumCopperMolybdenumZincLeadGoldPotassiumKaolin

⌖ Show on map USGS source ↗

Commodities

PrimaryAluminum, Copper

SecondaryMolybdenum, Zinc, Lead

TertiaryGold, Potassium, Kaolin

Commodity typeB

Deposit

Deposit typePorphyry Cu

Model53: Porphyry Cu

Deposit sizeS

WorkingsSurface/Underground

Orebody formIRREGULAR

Ore controlDisseminations Of Chalcopyrite, Bornite, And Molybdenite In Porous Fractured Intrusives, At Great Depths

Materials

Ore mineralsAlunite, Bornite, Chalcocite, Chalcopyrite, Enargite, Kaolinite, Molybdenite, Pyrite, Sphalerite, Tetrahedrite, Gold

GangueAnhydrite, Chlorite, Epidote, Magnetite, Pyrophyllite, Quartz, Sericite

Geology

Host rockQuartz Monzonite,Rhyolite

Associated rockQuartz Monzonite

StructureE-W And N-S Trending Faults In Tertiary Volcanics, In Patagonia Mountains - Dominant Structural Features Are Major Nw-Trending High-Angle Faults. Includes Harshaw Creek Fault. Patagonia Fault Is A Major Ne-Trending Fault.

Tectonic settingRed Mountain Fault Block; Downthrow To North

AlterationHigh Pyritic Phyllic Alteration Surrounded By Pyritic-Argillic And Propyllitic Alteration; With Depth, Sulfur Decreases And Changes From Near-Surface Sulfur-Rich Phyllitic Alteration, Through Weak Potassic Alteration, To Low Sulfur Potassic Alteration At Depth. Alunitization, Silicification.

Economic & production

Development statusPast Producer

Discovery year1970

Identification

Deposit ID10048337

MRDS IDM899921

Alternate namesRed Mountain Project, Ten Grand Mine, Gem, Carlton Property

RegionNA

Data scoreA

Coordinates31.50375, -110.71928

References

USBM Files; Red Mountain Mine, Red Mountain Project.Unpublished Data, Earth Sciences, Inc. (Obtained By R.B. Hall, U.S. Geological Survey, 1975).Admr File Data, Red Mountain.Simons, Frank S., 1972, Mesozoic Stratigraphy Of The Patagonia Mountains And Adjoining Areas, Santa Cruz County, Arizona: USGS Professional Paper 658-E, P. 22.Schrader, Frank C., 1915, Mineral Deposits Of The Santa Rita And Patagonia Mountains, Arizona: USGS Bulletin 582.Drewes, Harald, 1971, Mesozoic Stratigraphy Of The Santa Rita Mountains, Southeast Of Tucson, Arizona: USGS Professional Paper 658-C, 81 P.Corn, R.M., 1975, Alteration-Mineratization Zoning, Red Mountain, Arizona: Economic Geology, Vol. 70, P. 1437-1447.Unpublished Data, 1979, Jan C. Wilt, U.S. Geological Survey.Abgmt Clippings File, Red Mountain Mining Co.Blm Mining District Sheet 721.Hall, R.B., 1978, World Nonbarite Aluminum Resources - Alunite: USGS Pp 1076-A, P. A14.Raup, R.B., (1975), Geologic Map Elgin Quad [In Progress].Simons, F.S., 1974, Geologic Map And Sections Of The Nogales And Lochiel Quadrangles, Santa Cruz County, Arizona: USGS Map I-762.Sawyer, M.B., Gurmendi, A.C., Daley, M.R., And Howell, S.B., 1992, Principal Deposits Of Strategic And Critical Minerals In Arizona: United States Bureau Of Mines Special Publication, 334 P.World Mng., Oct.,76 (Discovery Method)Skillings Mng. Review, 3-26-77 (Information)USGS Bulletin 582 (General Info)E/Mj Vol.178 No.3 P.253 General InfoWilliams, S.A. and Forrester, J.D., 1995, Characteristics of porphyry copper deposits; in Pierce, F. W. and Bolm, J. G., eds., Porphyry Copper Deposits of the American Cordillera, Arizona Geological Society, Digest 20, p. 21-34.CimriMines Magazine, 11-70 (Ore Grade And Thickness)Pay Dirt, March 24,75 (General Info)Pay Dirt, Sept.28,70 (Grade, Depth, Thickness)Tucson Daily Citizen, 2-22-75 (Tonnage)