Commodities
PrimaryUranium
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlSilicification, Fracturing, Brecciation Of Sedimentary Rocks Along Los Ochos And Related Faults
Materials
Ore mineralsPitchblende, Uranophane, Zippeite
GangueBarite, Chalcedony, Marcasite
Geology
Host rockSchist,Mudstone,Sandstone · Salt Wash Member of Morrison Formation
Associated rockQuartz Monzonite,Pegmatite · Quartz Monzonite Of Cochetopa Creek
StructureSan Juan Volcanic Field; Gunnison Uplift, Cochetopa Dome; Los Ochos Fault; Razor Creek Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns); Colorado Platform
AlterationKaolinitization, Sericitization, Chloritization, Hematite Staining
Economic & production
Development statusPast Producer
First production1954
Last production1962
Discovery year1954
Identification
Deposit ID10013146
MRDS IDD009285
Alternate namesLos Ochos Mine, Thornburg No. 1 Mine, T-1 Mine, Los Ochos Claims
RegionNA
Data scoreB
Coordinates38.36944, -106.74701
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-748COLO. DIV. MINES ANNUAL OPERATOR REPTS.