National Uranium Resource Evaluation: Salina Quadrangle, Utah

Technical Report · Wed Sep 01 04:00:00 EDT 1982

OSTI ID:7066993

Lupe, R D; Campbell, J A; Franczyk, K J; Luft, S J; Peterson, F; Robinson, K

Two stratigraphic units, the Late Jurassic Salt Wash Member of the Morrison Formation and the Triassic Chinle Formation, were determined to be favorable for the occurrence of uranium deposits that meet the minimum size and grade requirements of the US Department of Energy in the Salina 1 x 2/sup 0/ Quadrangle, Utah. Three areas judged favorable for the Salt Wash Member are the Tidwell and Notom districts, and the Henry Mountains mineral belt. The criteria used to establish favorability were the presence of: (1) fluvial sandstone beds deposited by low-energy streams; (2) actively moving major and minor structures such as the Paradox basin and the many folds within it; (3) paleostream transport directions approximately perpendicular to the trend of many of the paleofolds; (4) presence of favorable gray lacustrine mudstone beds; and (5) known uranium occurrences associated with the favorable gray mudstones. Four favorable areas have been outlined for the Chinle Formation. These are the San Rafael Swell, Inter River, and the Orange Cliffs subareas and the Capitol Reef area. The criteria used to establish these areas are: the sandstone-to-mudstone ratios and the geographic distribution of the Petrified Forest Member of the Chinle Formation which is considered as the probable source for the uranium.

• Research Organization: Geological Survey, Golden, CO (USA)
• DOE Contract Number: AI13-78GJ01686
• OSTI ID: 7066993
• Report Number(s): PGJ/F-053-82; ON: DE82021151
• Country of Publication: United States
• Language: English

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