| Lat / long: | 31.40931, -110.78235 |
| Primary: | Copper |
| Secondary: | Silver, Gold, Lead |
| Ore: | Chalcopyrite, Pyrite |
| Gangue: | Limonite |
| Orebody form: | TABULAR |
| Discovery year: | 1899 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1906 |
| Last production ended: | 1915 |
| Host type: | Granite |
| Associated type: | Diorite |
| Structure: | Deposits In Region Are Mainly Lead-Silver Quartzitic Veins Which Strike E-W At About Right Angles To Axis Of Range, Deposits Mainly In Coarse Granite Porphyry Which Intrudes Quartz Monzonite; Monzonite Outcrops Nearby To Ne |
| Tectonic: | N-S Trending Piedmont Fault; Patagonia Range Uplifted On East |
| Alteration processes: | Minor Oxidation; Granite Porphyry Altered Near Vein |
| MRDS | M899905 |
| DEP | 10048327 |
| Reference | {Deposit:: USBM-ABGMT PRODUCTION DATA FILE}{Deposit:: USBM FILE DATA-CLUSTER #22, NATIONAL MINE}{Deposit:: SCHRADER, F.C., 1915, USGS BULL 582, P. 310-311}{Deposit:: KEITH, S.B., 1975, ABM BULL 191, P. 81}{Deposit:: ABGMT CLIPPINGS FILE NATIONAL MINE}{Deposit:: ABGMT FILES STANTON B. KEITH}{Deposit:: SIMONS, FRANK S., 1974 GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)} |
| Reporter | Laraba, Peter (Calder, Susan) |