Commodities
PrimaryCopper
SecondaryZinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlOre Is Confined To Porphyry Dikes That Probably Stem From The Main Maps Of Copper Mountain Porphyry
Materials
Ore mineralsChalcocite, Chalcopyrite, Pyrite, Sphalerite
GangueEpidote, Garnet, Magnetite, Pyroxene
Geology
Host rockLimestone · Longfellow Limestone
Associated rockQuartz Monzonite · Morenci Granite Porphyry
StructureComplex System Of Branching Porphyry Dikes Enclosing Irregular Masses Of Alterred Limestone; Difficult To Connect The Bodies Exposed On Various Levels Of Mines In The Area, Dikes Contain Parallel Seams Of Chalcocite And Pyrite; Dikes Outcrop To Widths Of 30 Ft But Are Locally Pinched Below The 183 Ft Mine Level
Tectonic settingDispersed Fractured Zones Associated With The Complex Copper Mountain Fault System
AlterationLimestones Alterred To Intergrowths Of Epidote, Garnet, Pyroxene, Magnetite, Pyrite, And Chalcopyrite; Extensive Surface Oxidation To Depths Of 100 Ft; Porphyry Greatly Alterred To Sericite And Quartz With Disseminated Pyrite
Economic & production
Development statusPast Producer
Last production1932
Identification
Deposit ID10048273
MRDS IDM800396
Alternate namesPart of Arizona Copper Co Group
RegionNA
Data scoreB
Coordinates33.08566, -109.36121
References
ABGMT-USBM FILE DATA.ABGMT CLIPPINGS FILE, ARIZONA COPPER CO LTD.BLM DISTRICT SHEET 840.USGS PP 43, P. 269-271.BENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.CIMRI