| Lat / long: | 31.40181, -110.79207 |
| Primary: | Lead |
| Tertiary: | Manganese |
| Ore: | Galena, Psilomelane |
| Gangue: | Limonite |
| Orebody form: | TABULAR |
| Discovery year: | 1904 |
| Operation type: | Unknown |
| Production size: | Unknown |
| Development status: | Occurrence |
| 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, Deposit Occurs Chiefly In Granite Porphyry |
| Tectonic: | N-S Trending Piedmont Fault; Patagonia Range Uplifted On East |
| Alteration processes: | Granite Porphyry And Diorite Altered Near Vein |
| MRDS | M899908 |
| DEP | 10048328 |
| Reference | {Deposit:: USBM FILE DATA-CLUSTER #22, ISABELLA MINE}{Deposit:: SCHRADER, F.C., 1915, USGS BULL, 582, P.310-311}{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) |