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A summary of the results of field and laboratory studies concerned with the nature of the ores and the alteration processes affecting them.
This 20 page report describes the stratigraphy of the Cedar Mountain and Dakota formations in and around Dinosaur National Monument in northeast Utah and includes new palynology and radiometric age data. The contract between these formations is unconformable in which the Dakota formation has incised into the underlying Cedar Mountain formation. Locally, the Dakota includes a basal marine mudstone and shale unit that contains late Albian dinoflagellate cysts, which represents peak sea level during the Kiowa-Skull Creek depositional cycle and indicates the first marine incursion of the Cretaceous Western Interior Seaway into Utah.
Additional title page description: Interpretation of regional compositional and textural trends in sandstone strata in a major uranium-ore-bearing formation which was deposited in a subsiding continental basin in Late Jurassic time.
Additional title page description: A description of the stratigraphic and structural relations of the various types of uranium deposits in one of the world's great uranium-producing regions.