| Lat / long: | 31.85402, -110.76929 |
| Primary: | Copper |
| Secondary: | Silver, Lead |
| Tertiary: | Manganese, Gold, Molybdenum, Tungsten, Zinc |
| Ore: | Chalcopyrite, Powellite, Pyrite, Sphalerite |
| Gangue: | Sericite |
| Orebody form: | IRREGULAR |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1877 |
| Last production ended: | 1920 |
| Host rock: | Martin Formation;Escabrosa Limestone;Horquilla Limestone |
| Host type: | Limestone |
| Associated rock: | Continental Granodiorite |
| Associated type: | Diorite |
| Structure: | Homoclinal, Tilting And Broad Open Folds In S; Extensive Faulting I N N., Wnw Striking Thrust Fault Zone, Permeable Fracture Zones |
| Tectonic: | Basin & Range |
| Alteration processes: | Epidotized And Altered Limestone |
| MRDS | M050179 |
| DEP | 10103745 |
| Reference | {Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: ABM, 1971, FIELDNOTES V1, NO 2}{Deposit:: DREWES, 1971, USGS MAP I-613}{Deposit:: CREASEY & QUICK, 1955, USGS BULL 1027 F}{Deposit:: KEITH, 1974, ABM BULL 189}{Deposit:: JOHNSON, 1941, PHD THESIS, UNIV OF AZ, 111 P.}{Production:: KEITH, 1974; USBM FILE DATA} |
| Reporter | Peterson, Jocelyn A. |