Mine detail: Wright Lease

Previously called 'Foothills Mine'

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Location

Lat / long:

39.66527, -105.24836

Resource(M)

Primary:	Uranium
Tertiary:	Lead, Zinc, Copper
Ore:	Chalcopyrite, Coffinite, Galena, Pitchblende, Pyrite, Sphalerite
Gangue:	Ankerite, Calcite, Fluorite
Discovery year:	1955

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1955
Last production ended:	1964

Geology

Host rock:	Idaho Springs Formation
Host type:	Schist,Gneiss
Structure:	Denver Basin, Front Range Uplift, Bear Creek Shear Zone, Junction Ranch Fault, Cherry Gulch Fault
Tectonic:	Central Cordillera (Southern Rocky Mts.)
Alteration processes:	Fe Oxidation

References

MRDS	D009850
DEP	10013506
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. 196}{Deposit:: SCOTT, GLENN R., 1972, GEOLOGIC MAP OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-790-A, 1:24,000.}{Deposit:: 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. 96-98}{Deposit:: GABLE, D.J., 1968, GEOLOGY OF THE CRYSTALLINE ROCKS IN THE WESTERN PART OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS BULL. 1251-E}{Production:: SIMS AND SHERIDAN, 1964, P. 96; NELSON-MOORE AND OTHERS, 1978, P. 196}
Reporter	Banke, Carl M.