| Lat / long: | 38.11973, -105.33335 |
| Primary: | Silver, Aluminum |
| Tertiary: | Gold |
| Ore: | Pyrite |
| Gangue: | Alunite, Diaspore, Quartz |
| Discovery year: | 1882 |
| Operation type: | Underground |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Trachyte |
| Associated rock: | Game Ridge Trachyte; Possibly Rosita Andesite Influence;Rhyolite Of Rosita Volcano (Dike) |
| Associated type: | Rhyolite,Trachyte |
| Structure: | Rosita Volcanic Center, Wet Mtns, Faults, Volcanic Vent, Rhyolite Dike |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Weak Argillization |
| MRDS | D007865 |
| DEP | 10012309 |
| Reference | {Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.}{Deposit:: EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.}{Deposit:: SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.} |
| Reporter | Collins, Donna B. |