Commodities
PrimaryUranium
Commodity typeM
Deposit
Deposit sizeS
Ore controlSilicification, Fracturing, Brecciation Of Sedimentary Rocks Along Los Ochos And Related Faults
Materials
Ore mineralsPitchblende, Uranophane
GangueMarcasite
Geology
Host rockMudstone,Sandstone · Morrison Formation;Metasedimentary Rocks
StructureSan Juan Volcanic Field; Gunnison Uplift, Cochetopa Dome; Los Ochos Fault; Razor Creek Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns); Colorado Platform
Economic & production
Development statusPast Producer
First production1954
Last production1962
Identification
Deposit ID10101790
MRDS IDD009288
Alternate namesEast Mine, Lost Nueve Mine
RegionNA
Data scoreB
Coordinates38.37028, -106.7345
References
MALAN, R.C., AND RANSPOT, H.W., 1959, GEOLOGY OF THE URANIUM DEPOSITS IN THE COCHETOPA MINING DISTRICT, SAGUACHE AND GUNNISON COUNTIES, COLORADO: ECON. GEOLOGY, V. 54, NO. 1, P. 1-19.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. 391-392OLSON, J.C., AND STEVEN, T.A., 1976, GEOLOGIC MAP OF THE RAZOR CREEK DOME QUADRANGLE, SAGUACHE COUNTY, COLORADO: USGS MAP MF-748AEC PRELIM. RECON. REPT. DEB-PRR-C-1616