| Lat / long: | 39.77916, -105.28725 |
| Primary: | Tungsten |
| Ore: | Scheelite |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Idaho Springs Formation---Hornblende Gneiss Unit |
| Host type: | Gneiss |
| Associated rock: | Granitic Pegmatite |
| Associated type: | Pegmatite |
| Structure: | Front Range Uplift, Denver Basin, Hurricane Hill Fault System |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010147 |
| DEP | 10094625 |
| Reference | {Deposit:: SHERIDAN, D.M., AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520 (INCL. GEOLOGIC MAP OF RALSTON BUTTES QUAD)}{Deposit:: TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISS OF COLORADO: ECON. GEOLOGY, V. 55, P. 1406-1428} |
| Reporter | Schwochow, Stephen D. |