Description
Robert And James Metcalf
Commodities
PrimaryCopper
SecondarySilver, Gold, Molybdenum
TertiaryZinc
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlCopper Ores Occur As Irregular Bodies In Porphyry, As Replacement Deposits Of Narrower Porphyry Dikes, As Distinct Ne-Trending Fissure Veins, And As Contact Breccias Between Granite Porphyry And Quartz Monzonite Porphyry
Materials
Ore mineralsBrochantite, Chalcanthite, Chalcocite, Covellite, Cuprite, Malachite, Molybdenite, Pyrite
GangueChalcedony, Garnet, Kaolin, Limonite, Magnetite, Sericite
Geology
Host rockGranite
Associated rockQuartz Monzonite · Morenci Granite Porphyry;Precambrian Granite-Granodiorite Complex
StructureGeneral Nw-Striking Step Faults With Normal Displacements To The South, Irregular Bodies Of Chalcocite Ore Contained In Soft And Sericitic Granite Porphyry Near Contact With Sedimentary Rocks; Porphyry Contains Inclusions Of Shale And Metamorphosed Limestone
Tectonic settingShannon Mountain Fault Block; Precipitous Gully Terrain
AlterationSurface Oxidation To Depths Of 30 Ft; Sericitization Of Granite Porphyry
Economic & production
Development statusPast Producer
First production1882
Last production1979
Discovery year1870
Identification
Deposit ID10048292
MRDS IDM800422
Alternate namesMetcalf Open Pit, Arizona Copper Co Group
RegionNA
Data scoreA
Coordinates33.11371, -109.36121
References
ABGMT-USBM FILE DATA.BLM DISTRICT SHEET 840.USBM FILES, METCALF MINES.ABGMT CLIPPINGS FILES, ARIZONA COPPER CO. LTD.USGS PP 43, P. 320-323.LANGTON, J.M., 1973, ORE GENESIS IN THE MORENCI-METCALF DISTRICT: AMERICAN INSTITUTE OF MINING, METALLURGICAL AND PETROLEUM ENGINEERS TRANSACTIONS, V. 254, P. 256.PAY DIRT, 1969, PHELPS DODGE TO DEVELOP BIG MINE AD METCALF: NO. 360, P. 3-5.TENNEY, JAMES B., 1927, HISTORY OF MINING IN ARIZONA, V. 1, P. 97-98.WEED, W. H., 1918, THE MINES HANDBOOK, VOL. XIII, PAGES 470-472, ARIZONA COPPER CO LTDSTEVENS, J. H., 1904, THE COPPER HANDBOOK, VOL IV, PAGES 193-195, ARIZONA COPPER CO LTDCIMRI