| Lat / long: | 37.43418, -108.00953 |
| Primary: | Gold, Silver |
| Secondary: | Copper |
| Tertiary: | Tellurium, Lead, Zinc, Mercury, Antimony |
| Ore: | Chalcopyrite, Cinnabar, Galena, Gold, Pyrite, Sphalerite, Tetrahedrite, Silver |
| Gangue: | Dickite, Quartz, Sericite |
| Orebody form: | Tabular |
| Operation type: | Underground |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1880 |
| Last production ended: | 1987 |
| Host rock: | Dolores Formation |
| Host type: | Mudstone,Shale,Sandstone |
| Associated rock: | Porphyritic Rocks--Diorite-Monzonite Porphyry |
| Associated type: | Diorite |
| Structure: | San Juan Uplift, Four Corners Platform, La Plata Dome |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Silicification; Sericitization |
| MRDS | D010803 |
| DEP | 10014153 |
| Reference | {Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PL PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 91-93.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 1721, 2055, 2378, 2379, 2380, 2381, 2382}{Deposit:: MINING RECORD, 9/7/83, 2/8/84}{Deposit:: BUREAU OF MINES OPENFILE REPORT MLA 2-92}{Production:: ECKEL AND OTHERS, 1949, P. 91 (AS COMPILED FROM MINT, USBM, AND PRIVATE RECORDS); COLORADO DIV. MINES ANNUA. OPERATOR REPTS.} |
| Reporter | Schwochow, Stephen D. |