Commodities
PrimaryCopper
TertiaryLead, Silver, Zinc, Uranium
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Materials
Ore mineralsBornite, Chalcocite, Covellite, Malachite, Pitchblende, Uranophane
Geology
Host rockGneiss · Idaho Springs Formation-Microcline-Quartz-Plagioclase-Biotite Gneiss Unit
Associated rockPegmatite · Granitic Pegmatite
StructureFront Range Uplift, Denver Basin, Rogers Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationBreccia Fragments Are Reported As Being Altered
Economic & production
Development statusPast Producer
Discovery year1895
Identification
Deposit ID10101834
MRDS IDD010160
RegionNA
Data scoreB
Coordinates39.86055, -105.2978
References
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. 193-194SHERIDAN, DOUGLAS M. AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520.ADAMS, J.W., AND OTHERS, 1953, URANIUM OCCURRENCES IN THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO: USGS CIRC. 320ORIGINAL CRIB RECORD