| Lat / long: | 40.71248, -105.31476 |
| Primary: | Tungsten |
| Tertiary: | Molybdenum |
| Ore: | Powellite, Scheelite |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Metamorphic Rocks--Biotite Gneiss, Schist, And Migmatite |
| Host type: | Schist |
| Associated rock: | Sherman Granite |
| Associated type: | Granite |
| Structure: | Front Range Uplift, Sherman Batholith, Poudre River Shear Zone, Skin Gulch Shear Zone |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010544 |
| MAS | 80690067 |
| DEP | 10013967 |
| Reference | {Deposit:: COBB, H.S., 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BD., P. 37.}{Deposit:: BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM IC-7748, P. 16.}{Deposit:: TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORADO: ECON. GEOLOGY, V. 55, NO. 7, P. 1406-1428.}{Deposit:: ABBOTT, J.T., 1976, GEOLOGIC MAP OF THE BIG NARROWS QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-1323.}{Production:: BELSER, 1956, P. 16.} |
| Reporter | Schwochow, Stephen D., Intermountain Field Operations Center (IFOC), Wilson, Anna B. |