| Lat / long: | 31.8643, -110.7804 |
| Primary: | Copper |
| Secondary: | Silver |
| Tertiary: | Gold, Beryllium |
| Ore: | Bornite, Chalcopyrite, Covellite |
| Orebody form: | IRREGULAR, TABULAR |
| Discovery year: | 1887 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1889 |
| Last production ended: | 1902 |
| Host rock: | Concha Limestone |
| Host type: | Limestone |
| Associated rock: | Quartz Latite |
| Associated type: | Quartz Latite |
| Structure: | Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N., Thrust And Normal Faulting - Fracture Zones. |
| Tectonic: | Basin And Range |
| Alteration processes: | Garnetization, Silicification |
| MRDS | M050042 |
| DEP | 10039409 |
| Reference | {Deposit:: SCHRADER, F.C., 1915, USGS BULL 582.}{Deposit:: ARIZONA BUREAU OF MINES, 1971, FIELDNOTES, V. 1, NO 2.}{Deposit:: DREWES, H., 1971, USGS MAP I-613 (SAHUARITA QUAD).}{Deposit:: CREASEY, S.C., 1955, USGS BULL 1027F.}{Deposit:: JOHNSON, V.H., 1941, GEOLOGY OF THE HELVETIA MINING DISTRICT, PIMA COUNTY, ARIZONA: UNIV OF ARIZONA PH.D THESIS.}{Deposit:: 1909 RECON F. C. SCHRADER U.S.G.S. BULL. 582.}{Deposit:: 1971 DIREXPL ANACONDA-POSSIBLE NEW PORPH. COPPER DEPOSIT.}{Deposit:: 1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613.}{Other Database:: CIMRI}{Production:: KEITH, S.B., 1974, ABM BULLETIN 189, P.126.} |
| Reporter | Keith, William J., Gest, Don E. |