| Location: | Dolores County, Colorado, United States, North America |
| Lat / long: | 37.71279, -108.02232 |
| dep_id: | 10014145 |
| mrds_id: | D010793 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Zinc, Silver, Lead |
| Minor mineral: | Gold, Copper, Quartz, Sulfur-Pyrite |
| Trace mineral: | Manganese |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Anglesite, Chalcopyrite, Limonite, Pyrite, Smithsonite, Sphalerite |
| gangue: | Alabandite, Diaspore, Fluorite, Kaolinite, Siderite, Topaz |
| other_matl: | Quartz |
| model: | 72: Polymetallic replacement |
| alteration: | Oxidation Of Sulfide Ore; Oxidation Of Pyrite To Limonite |
| conc_proc: | Oxidation Of Pyrite To Limonite; Oxidation Of Pb Sulfide To Carbonate And Sulfate; Alteration Of Limestone To Clay |
| ore_ctrl: | Chemical Favorability Of Limestone For Replacement Near Major Trunk Fault And Parallel Subsidiary Faults In Its Hanging Wall |
| Reporter: | Schwochow, Stephen D. |
| hrock_unit: | Hermosa Formation |
| hrock_type: | Sandstone,Limestone |
| arock_unit: | Hornblende Latite Porphyry;Alaskite Porphyry |
| arock_type: | Latite,Granite |
| Structure: | San Juan Uplift, Paradox Basin, Rico Dome, Blackhawk Fault, Princeton Fault |
| tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Year first produced: | 1887 |
| yr_lst_prd: | 1966 |
| disc_yr: | 1885 |
| References: |
- Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 78-79.
- 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. 387-388.
- Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.
- Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.
- Deposit:: BLM MINERAL SURVEYS MS 914, 915, 1090, 1248, 1464, 1587, 2476, 2477, 2478, 2479, 6129, 6105, 6136, 6286, 8135, 8140, 8141, 8223, 15233, 19665
- Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.
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