| Lat / long: | 39.77971, -105.29086 |
| Primary: | Uranium |
| Tertiary: | Copper, Lead |
| Ore: | Chalcopyrite, Galena, Pyrite, Uraninite |
| Gangue: | Ankerite, Calcite, Fluorite, Quartz |
| Discovery year: | 1955 |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1956 |
| Last production ended: | 1972 |
| 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, Ascension Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mts) |
| MRDS | D010153 |
| DEP | 10107989 |
| Reference | {Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 190}{Deposit:: SHERIDAN, DOUGLAS M. AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520.}{Deposit:: SIMS, P.K., AND SHERIDAN, D.M., 1964, GEOLOGY OF URANIUM DEPOSITS IN THE FRONT RANGE, COLORADO: USGS BULL. 1159, P. 92-93}{Production:: SHERIDAN AND OTHERS, 1967, P. 75; COLORADO DIV. MINES ANN. OPERATORS REPTS. 1957-1972} |
| Reporter | Banke, Carl M., Spanski, Gregory T. |