| Lat / long: | 37.71557, -107.53396 |
| Primary: | Gold, Silver |
| Secondary: | Copper, Lead |
| Tertiary: | Zinc, Tellurium, Antimony |
| Ore: | Bornite, Calaverite, Chalcocite, Chalcopyrite, Galena, Marcasite, Petzite, Sphalerite, Sylvanite, Tetrahedrite |
| Gangue: | Barite, Calcite, Hematite, Limonite, Quartz |
| Discovery year: | 1893 |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Uncompahgre Formation |
| Host type: | Quartzite |
| Associated rock: | San Juan Formation;Early Intermediate Lavas And Breccias--Near-Source Facies |
| Associated type: | Rhyodacite,Quartz Latite,Andesite |
| Structure: | San Juan Uplift, San Juan Volcanic Field, San Juan Uplift, Unnamed Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010719 |
| DEP | 10014092 |
| Reference | {Deposit:: STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 67-71, 89-90.}{Deposit:: STEVEN, T.A., AND OTHERS, 1974, GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP I-764.}{Deposit:: CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.}{Deposit:: BLM MINERAL SURVEY MS 11327}{Deposit:: PROSSER, W.C., 1911, THE BEAR CREEK SYLVANITE CAMP, COLORADO: ENG. MINING JOUR., V. 91, P. 712.} |
| Reporter | Schwochow, Stephen D. |