| Lat / long: | 37.43084, -108.00564 |
| Primary: | Gold, Silver |
| Tertiary: | Copper, Tellurium |
| Ore: | Chalcopyrite, Pyrite |
| Gangue: | Ankerite, Barite, Quartz |
| Discovery year: | 1882 |
| Operation type: | Underground |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1882 |
| Host rock: | Cutler Formation |
| Host type: | Diorite |
| Associated rock: | Porphyritic Rocks--Diorite-Monzonite Porphyry;Nonporphyritic Rocks--Diorite |
| Associated type: | Diorite |
| Structure: | San Juan Uplift, Four Corners Platform, La Plata Dome, Lewis Mtn Diorite Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Kaolinitization |
| MRDS | D010800 |
| MAS | 80670020 |
| DEP | 10014151 |
| Reference | {Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 88-89.}{Deposit:: WAYT, L.M., (NO DATE), STATEMENT CONCERNING THE AURORA GROUP LODE CLAIMS, LA PLATA COUNTY, COLORADO: UNPUB. ENG. REPT., 1 P.}{Deposit:: BLM MINERAL SURVEYS MS 1960, 1961, 1962} |
| Reporter | Intermountain Field Operations Center, Wilson, Anna B., Schwochow, Stephen D. |