| Lat / long: | 37.94584, -106.30338 |
| Tertiary: | Silver, Copper, Lead, Molybdenum |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Biedell Quartz Latite |
| Host type: | Quartz Latite |
| Associated rock: | Biedell Quartz Latite |
| Associated type: | Quartz Latite |
| Structure: | San Juan Volcanic Field, Rio Grande Rift, Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Pervasive Propylitization; Locally Intense Argillization; Kaolinitization, Silicification |
| MRDS | D008945 |
| DEP | 10012924 |
| Reference | OSTERWALD, E.J., 1977, THE BIEDELL AND SANDERSON VOLCANIC CENTERS, SAGUACHE COUNTY, COLORADO: COLORADO STATE UNIV. M.S. THESIS, 145 P |
| Reporter | Schwochow, Stephen D. |