USGS · tem222
Garo uranium deposits, Park County, Colorado
Abstract
The uranium deposits, three-fourths of a mile south of Garo, Park County, Colo., were mined over 30 years ago for radium ore. The old workings are now abandoned and inaccessible. Forty tons of ore that contained 1.0 percent uranium are reported to have been mined from two light-gray sandstone beds that are stratigraphically about 100 feet apart. The minerals reported to occur in these sandstones are carnotite, malachite, azurite, calciovolborthite, and volborthite. The deposits are in close proximity to a radioactive cherty limestone which is one foot thick, that contains as much as 0.01 percent uranium. The uranium in the carnotite and the uranium in the chert may be genetically related. Mr. ¥. H. Gaddis of Hartsel, Colo., has recently attempted to reopen some of the workings, but as of April 1951 this operation had not revealed any significant new data. Future prospecting should be initiated in the two sandstone beds that have been mineralized. The chert can be used as a marker bed in correlating the sandstones from one exposure to another.
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Garland B. Gott. 1951. Garo uranium deposits, Park County, Colorado. https://doi.org/10.3133/tem222
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