| Lat / long: | 31.3707, -110.68789 |
| Primary: | Zinc, Copper |
| Secondary: | Lead, Silver |
| Tertiary: | Gold |
| Ore: | Chalcopyrite, Galena, Pyrite, Sphalerite |
| Gangue: | Quartz |
| Orebody form: | BUNCHES |
| Discovery year: | 1875 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Last production ended: | 1959 |
| Host rock: | Epitaph Dolomite |
| Host type: | Marble,Limestone |
| Associated type: | Volcanic Rock (Aphanitic),Rhyolite |
| Structure: | Mineral Deposits Of Washington-Duquesne Area Occupy A Limestone-Sediment Belt (2.5 Miles Long And 1.25 Miles Wide) Surrounded By Igneous Rocks Which Also Form Detached Masses And Dikes Within Belt, Limestone Near Contact Shows Evidence Of Sheeting Or Inconspicuous High-Angle Faulting |
| Tectonic: | N-S Trending Bonanza Fault Zone; Washington Camp Fault Block To West And Downthrown Duquesne Fault Block To East |
| Alteration processes: | Coarsely Crystalline Limestone Has Been Contact Metamorphosed To Marble |
| MRDS | M241343 |
| DEP | 10109795 |
| Reference | {Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, ILLINOIS MINE}{Deposit:: ADMR FILE DATA, ILLINOIS MINE}{Deposit:: BLM DISTRICT MINING SHEET 727}{Deposit:: ARIZ BUR MINES BULL 191, P. 78}{Deposit:: ABGMT FILES STANTON B. KEITH}{Deposit:: TENNEY, JAMES B. 1927-29, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES, P. 293-300}{Deposit:: USGS MAP I-762}{Deposit:: LEHMAN, NORMAN E., 1978, THE GEOLOGY AND PYROMETASOMATIC ORE DEPOSITS OF THE WASHINGTON CAMP-DUQUESNE DISTRICT, SANTA CRUZ COUNTY, ARIZONA; PHD. DISSERTATION, UNIVERSITY OF ARIZONA, P. 126-143, MAPS}{Production:: KEITH, 1975} |
| Reporter | Calder, Susan R. |