| Lat / long: | 38.10251, -105.33446 |
| Primary: | Lead, Silver |
| Secondary: | Copper |
| Tertiary: | Iron |
| Ore: | Chalcopyrite, Galena, Pyrite, Silver, Stephanite, Tetrahedrite |
| Gangue: | Barite, Calcite |
| Discovery year: | 1874 |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Rosita Andesite;Game Ridge Trachyte; Ore On Both Sides Of Dike |
| Host type: | Andesite,Tuff,Volcanic Breccia (Agglomerate) |
| Structure: | Rosita Volcanic Center, Wet Mtns, Rosita Fault, Humboldt-Pocahontas Vein |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Weakly Argillized |
| MRDS | D008073 |
| DEP | 10012440 |
| 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.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.}{Production:: EMMONS, S.F., 1896; COLO. DIVISION MINES INSPECTION RECORDS} |
| Reporter | Collins, Donna B. |