| Lat / long: | 37.76723, -108.09843 |
| Primary: | Gold, Silver, Lead |
| Secondary: | Coal |
| Tertiary: | Copper, Zinc |
| Ore: | Argentite, Chalcopyrite, Coal, Galena, Polybasite, Pyrargyrite, Pyrite, Sphalerite |
| Gangue: | Barite, Epsomite, Gypsum, Melanterite, Quartz |
| Discovery year: | 1880 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1885 |
| Last production ended: | 1980 |
| Host rock: | Dolores Formation;Dakota Sandstone |
| Host type: | Shale,Sandstone |
| Associated rock: | Microgabbro;Lamprophyre |
| Associated type: | Gabbro,Lamprophyre |
| Structure: | San Juan Uplift, Paradox Basin, Rico Dome, Dunton Syncline, Emma Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010905 |
| DEP | 10014230 |
| Reference | {Deposit:: BUSH, A.L., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE DOLORES PEAK QUADRANGLE, DOLORES AND SAN MIGUEL COUNTIES, COLORADO: USGS MAP GQ-536.}{Deposit:: BASTIN, E.S., 1922, SILVER ENRICHMENT IN THE SAN JUAN MOUNTAINS, COLORADO: USGS BULL. 735-D, P. 116-120.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 12930, 12931, 12951A, 12953A, 18498, 18499}{Deposit:: KRANTZ, P.R., AND FREEMAN, W.H., 1923, A STUDY OF THE ORES OF DUNTON, DOLORES COUNTY, COLORADO: COLORADO SCHOOL OF MINES THESIS T-503.}{Production:: BASTIN, 1922, P. 120 (1913 FIGURES); COLORADO DIV. MINES ANNUAL OPERATOR REPTS. (1920-1980 FIGURES)} |
| Reporter | Schwochow, Stephen D. |