| Lat / long: | 38.36139, -107.18396 |
| Primary: | Manganese |
| Ore: | Psilomelane |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Dubois Greenstone--Metavolcanic Hornblende Schist And Amphibolite;Lake Fork Formation--Tuffaceous Gravel And Volcanic Conglomerate |
| Host type: | Rhyolite |
| Associated rock: | Sapinero Mesa Tuff |
| Associated type: | Rhyolite,Quartz Latite |
| Structure: | San Juan Volcanic Field, Gunnison Uplift, Gunnison Gold Belt, Unnamed Faults, Tolvar Peak Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D011178 |
| DEP | 10014422 |
| Reference | {Deposit:: MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULL, 15, P. 37-44.}{Deposit:: OLSON, J.C., AND HEDLUND, D.C., 1973, GEOLOGIC MAP OF THE GATEVIEW QUADRANGLE, GUNNISON COUNTY, COLORADO: USGS MAP GQ-1071.} |
| Reporter | Schwochow, Stephen D. |