Campbell provided in 2021 another of his earlier client reports of possible interest, pursuant to his intent in a recent publication (here). Uranium was discovered about 12 miles south of the town of Green River, Utah in 1880. Oxidized radium ore, averaging 3% U3O8, was hand sorted from various surface exposures and sent to Europe for processing. Expanded production of uranium ore began in 1948 from the Wedding Bell Mine (Utah), the U.P. Shaft and other mines. Production continues sporadically to the present day. (See Figure 1 in report).
The prospect lies within the Green River Uranium District which includes the Green River Desert - Orange Cliffs area as far south as the Fremont River, and also the area between the Green and Colorado Rivers south of the highly uraniferous Salt Valley anticline and Book Cliffs. (See Figure 2) Formations range in age from Pennsylvanian to Cretaceous and outcrop in step-like fashion above the deeply entrenched major rivers. The exposed sedimentary section is about 4000 feet thick.
The District lies in a shallow syncline which plunges gently north and into the Uinta Basin. The District borders the also highly uraniferous San Rafael District where shallow dips of about 2 degrees steepen to about 15 degrees. (See Figure 3)
GEOLOGY OF PROSPECT AREA
Uranium deposits of the District are in the Chinle formation and the Morrison formation, Upper Triassic and Upper Jurassic respectively. The most important deposits are relatively small and are clustered in the famous Salt Wash member of the Morrison formation on the flanks of the San Rafael swell about 12 miles west of Green River, Utah, (See Figure 4).
Read on in report.
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