| Lat / long: | 31.3982, -110.7515 |
| Primary: | Copper, Silver, Gold |
| Secondary: | Lead, Zinc |
| Ore: | Chalcopyrite, Galena, Sphalerite |
| Gangue: | Quartz |
| Orebody form: | TABULAR |
| Discovery year: | 1888 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1916 |
| Last production ended: | 1951 |
| Host type: | Diorite |
| Associated type: | Diorite,Granite |
| Structure: | Deposits Occur In Forms Of Subordinate Veins, Lenses, Stringers, And Seams In Fissures, Joints, Sheeting Planes, And Other Fractures In Quartz Monzonite And Diorite, Diorite Forms Footwall And Quartz Monzonite Forms Hanging Wall Of Vein System; Mineralization Occurred Mainly In Diorite |
| Tectonic: | Guajolote Fault Block; Nw-Trending, Inferred Guajolote Fault Lies To E Of Deposits; Downthrow To E |
| Alteration processes: | Strong Potassic Alteration; Granodiorite Is Highly Shattered, Sheeted, And Crushed |
| MRDS | M899912 |
| DEP | 10048331 |
| Reference | {Deposit:: USBM-ABGMT PRODUCTION DATA, GLADSTONE-PROTO MINE GROUP}{Deposit:: ADMR FILE DATA, GLADSTONE (PROTO,INDEPENDENCE) MINE}{Deposit:: USBM-FILE DATA, CLUSTER #22, GLADSTONE MINE GROUP}{Deposit:: ABGMT CLIPPINGS FILE DATA, GLADSTONE MINE}{Deposit:: SCHRADER, F.C., 1915, USGS BULL. 582, P. 316}{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)}{Deposit:: KEITH, STANTON B, 1975, INDEX OF MINING PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLTEIN 191, P. 80}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Deposit:: TENNEY, JAMES B., 1927-1929, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES, P. 313} |
| Reporter | Laraba, Peter (Calder, Susan) |