Commodities
PrimaryUranium
TertiaryLead, Zinc, Copper
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Materials
Ore mineralsChalcopyrite, Coffinite, Galena, Pitchblende, Pyrite, Sphalerite
GangueAnkerite, Calcite, Fluorite
Geology
Host rockSchist,Gneiss · Idaho Springs Formation
StructureDenver Basin, Front Range Uplift, Bear Creek Shear Zone, Junction Ranch Fault, Cherry Gulch Fault
Tectonic settingCentral Cordillera (Southern Rocky Mts.)
AlterationFe Oxidation
Economic & production
Development statusPast Producer
First production1955
Last production1964
Discovery year1955
Identification
Deposit ID10013506
MRDS IDD009850
Alternate namesFoothills Mine
RegionNA
Data scoreB
Coordinates39.66527, -105.24836
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. 196SCOTT, GLENN R., 1972, GEOLOGIC MAP OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-790-A, 1:24,000.SCHLOTTMAN, J.D., 1964, FOOTHILLS MINE, IN SIMS, P.K., AND SHERIDAN, D.M., GEOLOGY OF URANIUM DEPOSITS IN THE FRONT RANGE, COLORADO: USGS BULL. 1159, P. 96-98GABLE, D.J., 1968, GEOLOGY OF THE CRYSTALLINE ROCKS IN THE WESTERN PART OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS BULL. 1251-ESIMS AND SHERIDAN, 1964, P. 96; NELSON-MOORE AND OTHERS, 1978, P. 196