| Lat / long: | 39.86055, -105.2978 |
| Primary: | Copper |
| Tertiary: | Lead, Silver, Zinc, Uranium |
| Ore: | Bornite, Chalcocite, Covellite, Malachite, Pitchblende, Uranophane |
| Discovery year: | 1895 |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Idaho Springs Formation-Microcline-Quartz-Plagioclase-Biotite Gneiss Unit |
| Host type: | Gneiss |
| Associated rock: | Granitic Pegmatite |
| Associated type: | Pegmatite |
| Structure: | Front Range Uplift, Denver Basin, Rogers Fault Zone |
| Tectonic: | Central Cordillera (Southern Rocky Mountains) |
| Alteration processes: | Breccia Fragments Are Reported As Being Altered |
| MRDS | D010160 |
| DEP | 10101834 |
| 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. 193-194}{Deposit:: SHERIDAN, DOUGLAS M. AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520.}{Deposit:: ADAMS, J.W., AND OTHERS, 1953, URANIUM OCCURRENCES IN THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO: USGS CIRC. 320}{Production:: ORIGINAL CRIB RECORD} |
| Reporter | Banke, Carl M., Spanski, Gregory T. |