| Lat / long: | 37.69945, -108.01815 |
| Primary: | Silver, Lead, Zinc |
| Secondary: | Copper, Gold |
| Tertiary: | Manganese |
| Ore: | Chalcopyrite, Pyrite, Sphalerite |
| Gangue: | Calcite, Pyrolusite, Quartz |
| Discovery year: | 1877 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1880 |
| Last production ended: | 1946 |
| Host rock: | Hermosa Formation |
| Host type: | Limestone |
| Associated rock: | Hornblende Latite Porphyry |
| Associated type: | Latite |
| Structure: | San Juan Uplift, Paradox Basin, Rico Dome, Yellow Jacket Fault, Nellie Bly Fault, Last Chance Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Oxidation Of Galena To Cerussite |
| MRDS | D010794 |
| DEP | 10101869 |
| Reference | {Deposit:: RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 375-379.}{Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 89-91, PL. 2.}{Deposit:: PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.}{Deposit:: BLM MINERAL SURVEYS MS 362, 363, 364}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.} |
| Reporter | Schwochow, Stephen D. |