Commodities
PrimaryUranium
TertiaryCopper, Lead, Zinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnknown
Materials
Ore mineralsChalcopyrite, Coffinite, Galena, Pitchblende, Pyrite, Sphalerite
GangueAnkerite, Calcite, Chlorite, Fluorite, Quartz
Geology
Host rockGneiss · Idaho Springs Formation
StructureFront Range Uplift, Denver Basin, Bear Creek Shear Zone, Junction Ranch Fault, Cherry Gulch Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationFe Oxidation
Economic & production
Development statusPast Producer
First production1955
Last production1968
Discovery year1955
Identification
Deposit ID10013504
MRDS IDD009847
RegionNA
Data scoreB
Coordinates39.66527, -105.24836
References
NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 189-196SCOTT, G.R., 1972, GEOLOGIC MAP OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-790-AGABLE, D.J., 1968, GEOLOGY OF THE CRYSTALLINE ROCKS IN THE WESTERN PART OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS BULL. 1251-ESIMS, P.K., AND SHERIDAN, D.M., 1964, GEOLOGY OF URANIUM DEPOSITS INTHE FRONT RANGE, COLORADO: USGS BULL, 1159, P. 94-100SIMS, P.K., AND SHERIDAN, D.M., 1964, P. 96; NELSON-MOORE, J.L., AND OTHERS, 1978, P. 192, 194, 196