| Lat / long: | 38.10807, -105.34974 |
| Primary: | Silver |
| Secondary: | Copper |
| Ore: | Covellite, Malachite |
| Gangue: | Barite, Calcite |
| Discovery year: | 1882 |
| Operation type: | Underground |
| Production size: | None |
| Development status: | Prospect |
| Host type: | Andesite |
| Associated rock: | Rosita Andesite |
| Associated type: | Andesite |
| Structure: | Rosita Crater And Cauldron Complex, North-Trending Fissures Dipping About 65 Degrees East |
| Tectonic: | Wet Mountains |
| Alteration processes: | Strong Argillization |
| MRDS | D007634 |
| DEP | 10012169 |
| Reference | {Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.}{Deposit:: SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.} |
| Reporter | Collins, Donna B. |