Stream sediment detailed geochemical survey for Marysvale, Utah

Technical Report · Thu Jul 31 04:00:00 EDT 1980

DOI:https://doi.org/10.2172/5046802· OSTI ID:5046802

Butz, T. R.; Vreeland, J. L.; Bard, C. S.; Helgerson, R. N.; Grimes, J. G.; Pritz, P. M.

Results of the Marysvale detailed geochemical survey are reported. Field and laboratory data are presented for 397 stream sediment samples and 160 radiometric readings. Statistical and areal distributions of uranium and possible uranium-related variables are displayed. A generalized geologic map of the area is provided, and pertinent geologic factors which may be of significance in evaluating the potential for uranium mineralization are briefly discussed. Stream sediments containing significant amounts of soluble uranium (greater than or equal to 16.93 ppM) occur in numerous areas, the most prevalent being in the western portion of the survey area, within and surrounding the Mount Belknap Caldera. Thorium, beryllium, cerium, manganese, molybdenum, niobium, potassium, yttrium, zinc, and zirconium occur in concentrations greater than or equal to 84th percentile in many sediment samples taken from within and surrounding the Mount Belknap Caldera. The uranium and related variables are associated with highly silicic intrusions and extrusions of the Mount Belknap Volcanics, as well as hydrothermal activity which has occurred in the Marysvale volcanic field.

• Research Organization: Oak Ridge Gaseous Diffusion Plant, TN (USA)
• DOE Contract Number: AC13-76GJ01664
• OSTI ID: 5046802
• Report Number(s): GJBX-175(80); K/UR-42
• Country of Publication: United States
• Language: English

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