| Lat / long: | 38.1114, -105.3289 |
| Primary: | Silver |
| Secondary: | Lead, Copper, Zinc |
| Tertiary: | Iron |
| Ore: | Chalcopyrite, Galena, Pyrite, Sphalerite, Argentite, Chalcocite, Stephanite |
| Gangue: | Barite, Calcite |
| Discovery year: | 1895 |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Game Ridge Trachyte;Rosita Andesite On Other Side Of Fault |
| Host type: | Trachyte |
| Structure: | Rosita Volcanic Center, Wet Mtns, On Twenty-Six Fault Which Strikes East-West |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Weakly Argillized |
| MRDS | D007856 |
| DEP | 10012302 |
| 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CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.}{Reserve-Resource:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.} |
| Reporter | Collins, Donna B., Beach, RIchard A. |