| Lat / long: | 33.07593, -109.36843 |
| Primary: | Copper |
| Tertiary: | Zinc |
| Ore: | Brochantite, Chalcanthite, Chalcocite, Cuprite, Pyrite |
| Gangue: | Epidote, Garnet |
| Orebody form: | IRREGULAR |
| Other material: | Malachite |
| Discovery year: | 1872 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1882 |
| Last production ended: | 1920 |
| Host rock: | Longfellow Limestone |
| Host type: | Limestone |
| Associated rock: | Morenci Granite Porphyry |
| Associated type: | Quartz Monzonite |
| Structure: | Copper Mountain Fault Separates Rich Disseminated Chalcocite Ore From Barren Porphyry, Cuprite And Copper Carbonates Occur, Associated With A Small Mass Of Limestone Embedded In Porphyry, On The Boundary Between The Copper Mountain And Humboldt Mines; South Of The Main Adit Is A Rich Well-Defined Chalcocite Seam About 14 Inches Wide |
| Tectonic: | Complex Copper Mountain Fault System With Substantial Vertical Displacement; Fault Blocks Generally Downthrown To Ne |
| Alteration processes: | Oxidation To Greatly Varying Depths; Chalcocite Coats Large Bodies Of Sericitized Porphyry Containing Disseminated Pyrite |
| MRDS | M800424 |
| DEP | 10088902 |
| Reference | {Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: BLM DISTRICT SHEET 840.}{Deposit:: WATT, ROBERTA, 1956, HISTORY OF MORENCI ARIZONA, M.A. THESIS, UNIVERSITY OF ARIZONA.}{Deposit:: USGS PP 43, P. 276-278.}{Deposit:: STEVENS, H. J., 1911, THE COPPER HANDBOOK, V. X, P. 734-735, DETROIT COPPER MINING CO OF ARIZONA}{Deposit:: ARIZ BUR MINES BULL 149, NO. 15.}{Deposit:: 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.}{Other Database:: CIMRI} |
| Reporter | Calder, Susan R. |