| Lat / long: | 31.44597, -110.80207 |
| Primary: | Silver, Lead |
| Secondary: | Copper, Gold |
| Tertiary: | Zinc, Manganese, Molybdenum, Vanadium |
| Ore: | Argentite, Cerargyrite, Chalcopyrite, Gold, Malachite, Sphalerite, Wulfenite |
| Gangue: | Psilomelane, Quartz |
| Orebody form: | LENSES, TABULAR, IRREGULAR, BANDS AND PODS |
| Discovery year: | 1880 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1909 |
| Last production ended: | 1942 |
| Host type: | Hornblendite |
| Associated rock: | Comoro Canyon Granite |
| Associated type: | Granite |
| Structure: | Deposits Occur In Quartz Fissure Veins, Near Or Adjacent To Diorite Intrusions Which Form Small Disconnected Sheets And Dikes, Ne Fracture Zone; Major Fault Passes Through Area |
| Tectonic: | Basin And Range |
| Alteration processes: | Surface Oxidation To 90 Ft Depth; Diorite Near Contact Is Both Chl Oritized And Epidotized |
| MRDS | M000429 |
| DEP | 10102403 |
| Reference | {Deposit:: KEITH, 1975, ABM BULL 191}{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: MOGER, 1969, MS THESIS, UNIV OF AZ}{Deposit:: SIMONS, 1974, USGS MAP I-762}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, TRES DE MAYO MINE GROUP}{Deposit:: ADMR FILE DATA, TRES DE MAYO MINE}{Deposit:: ABGMT CLIPPINGS FILE, TRES DE MAYO PROPERTY}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Other Database:: CIMRI} |
| Reporter | Peterson, Jocelyn A., Calder, Susan R. |