| Lat / long: | 37.70112, -108.00815 |
| Primary: | Silver, Lead, Zinc |
| Secondary: | Cadmium, Gold, Copper, Sulfur-Pyrite |
| Tertiary: | Bismuth, Tungsten, Beryllium, Manganese |
| Ore: | Chalcopyrite, Gold, Hydrozincite, Limonite, Pyrite, Smithsonite, Tennantite |
| Gangue: | Alabandite, Aurichalcite, Barite, Clinozoisite, Fluorite, Garnet, Helvite, Huebnerite, Kaolinite, Magnetite, Pyrrhotite, Quartz, Rhodochrosite, Topaz |
| Orebody form: | TABULAR, LINEAR, IRREGULAR |
| Discovery year: | 1877 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1879 |
| Last production ended: | 1976 |
| Host rock: | Hermosa Formation |
| Host type: | Shale,Sandstone,Limestone,Latite |
| Associated rock: | Hornblende Latite Porphyry |
| Associated type: | Latite |
| Structure: | San Juan Uplift, Paradox Basin, Rico Dome, Blackhawk Fault, Hidden Fault, Allegheny Fissure, Last Chance Fault, Honduras Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Alteration Of Mn-Bearing Carbonates To Mn Oxides; Oxidation Of Sulfide Ores To Carbonates; Oxidation Of Pyrite To Fe Oxides |
| MRDS | D010784 |
| DEP | 10101868 |
| Reference | {Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 81-89.}{Deposit:: PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.}{Deposit:: RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN, REPT., PT. 2, P. 368-372, 374.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.}{Deposit:: MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULL. 15, P. 48-49.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.} |
| Reporter | Schwochow, Stephen D. |