| Lat / long: | 31.3732, -110.68706 |
| Primary: | Copper, Lead, Silver, Zinc |
| Tertiary: | Gold, Manganese, Molybdenum |
| Ore: | Bornite, Chalcopyrite, Galena, Molybdenite, Pyrite, Sphalerite |
| Gangue: | Diopside, Garnet, Limonite, Quartz, Tremolite |
| Orebody form: | CLUSTERS OF LENSING BODIES AND BUNCHES, IRREGULAR |
| Discovery year: | 1882 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1889 |
| Last production ended: | 1961 |
| Host rock: | Naco Group;Epitaph Dolomite, Cherty Limestone Member;Scherrer Formation, Lower Quartzite Member |
| Host type: | Quartzite,Limestone |
| Associated rock: | Duquesne Volcanics |
| Associated type: | Rhyolite |
| Structure: | Mineral Deposits Of Washington-Duquesne Area Occupy A Limestone-Sediment Belt (2.5 Mi By 1.25 Mi) Surrounded By Igneous Rocks Which Also Form Detached Masses And Dikes Within Belt, Fault Contact Of Naco Limestone And Tri-Jur Volcanics; Upper Portion Of Shaft In Volcanic Rocks; Lower Portion In Coarsely-Crystalline Limestone That Has Been Contact Metamorphased To Marble |
| Tectonic: | N-S Trending Bonanza Fault Zone; Washington Camp Fault Block To W And Downthrown Duquesne Fault Block To E |
| Alteration processes: | Oxidized To 100 Ft, Manganese Stained Gossan |
| MRDS | M030399 |
| DEP | 10037101 |
| Reference | {Deposit:: LEHMAN, 1978, PH D THESIS, UNIV OF AZ}{Deposit:: KEITH, 1975 ABM BULL 191}{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, BONANZA MINE}{Deposit:: ADMR FILE DATA, BONANZA MINE, NASH MINES}{Deposit:: ABGMT CLIPPINGS FILE, BONANZA MINE, DUQUESNE MINING AND REDUCTION C O.}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Deposit:: BLM DISTRICT MINING SHEET 727}{Deposit:: TENNEY, 1927-29, HISTORY OF MINING IN AZ, ABM, P. 293-300}{Other Database:: CIMRI}{Production:: KEITH, 1975; LEHMAN, 1978} |
| Reporter | Peterson, Jocelyn A., Calder, Susan R. |