Uranium potential of precambrian rocks in the Raft River area of northwestern Utah and south-central Idaho. Final report
A total of 1214 geochemical samples were collected and analyzed. The sampling media included 334 waters, 616 stream sediments, and 264 rocks. In addition, some stratigraphic sections of Elba and Yost Quartzites and Archean metasedimentary rock were measured and sampled and numerous radiation determinations made of the various target units. Statistical evaluation of the geochemical data permitted recognition of 156 uranium anomalies, 52 in water, 79 in stream sediment, and 25 in rock. Geographically, 68 are located in the Grouse Creek Mountains, 43 in the Raft River Mountains, and 41 in the Albion Range. Interpretation of the various data leads to the conclusion that uranium anomalies relate to sparingly and moderately soluble uraniferous heavy minerals, which occur as sparse but widely distributed magmatic, detrital, and/or metamorphically segregated components in the target lithostratigraphic units. The uraniferous minerals known to occur and believed to account for the geochemical anomalies include allanite, monazite, zircon, and apatite. In some instances samarskite may be important. These heavy minerals contain uranium and geochemically related elements, such as Th, Ce, Y, and Zr, in sufficient quantities to account for both the conspicuous lithologic preference and the generally observed low amplitude of the anomalies. The various data generated in connection with this study, as well as those available in the published literature, collectively support the conclusion that the various Precambrian W and X lithostratigraphic units pre-selected for evaluation probably lack potential to host important Precambrian quartz-pebble conglomerate uranium deposits. Moreover it is also doubted that they possess any potential to host Proterozoic unconformity-type uranium deposits.
- Research Organization:
- Meiiji Resource Consultants, Layton, UT (USA)
- DOE Contract Number:
- AC13-76GJ01664
- OSTI ID:
- 7089808
- Report Number(s):
- GJBX-227(80); TRN: 80-019142
- Country of Publication:
- United States
- Language:
- English
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ALUMINIUM
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CHLORINE
SPECTROPHOTOMETRY
CHROMIUM
COBALT
COPPER
IDAHO
GEOCHEMICAL SURVEYS
IRON
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FLUORESCENCE SPECTROSCOPY
MASS SPECTROSCOPY
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UTAH
VANADIUM
YTTRIUM
ZINC
ZIRCONIUM
CHEMICAL ANALYSIS
EXPERIMENTAL DATA
GEOCHEMISTRY
GEOLOGY
GROUND WATER
NEUTRON REACTIONS
ROCKS
SEDIMENTS
ACTINIDES
ALKALI METALS
ALKALINE EARTH METALS
BARYON REACTIONS
CHEMISTRY
DATA
ELEMENTS
GEOLOGIC DEPOSITS
HADRON REACTIONS
HALOGENS
HYDROGEN COMPOUNDS
INFORMATION
METALS
MINERAL RESOURCES
NONMETALS
NORTH AMERICA
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
OXYGEN COMPOUNDS
PACIFIC NORTHWEST REGION
RARE EARTHS
REFRACTORY METALS
RESOURCES
ROCKY MOUNTAIN REGION
SEMIMETALS
SPECTROSCOPY
SULFUR COMPOUNDS
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WATER
050200* - Nuclear Fuels- Exploration- (-1987)