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Traverses along some streams of the Colorado Plateau in areas known to contain minable uranium deposits show that anomalous radiation in the stream gravels can be detected with a suitable counter downstream from the deposits. The amount of radiation is influenced by the size of the uranium deposit, the size of the drainage area of the stream, the grain size of the sediments, and the lithology of the rocks over which the stream flows. The spacing of the stations where readings are taken is controlled by the size of the stream, and special readings are also taken directly downstream from important tributaries. An anomaly is empirically defined as a 10 percent rise over background. Radioactive material from large uranium...
Categories: Publication; Types: Citation; Tags: Trace Elements Memorandum
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Radioactivity anomalies, which are small in magnitude, and probably are not caused by extensions of known uranium-vanadium ore bodies, were detected during the gamma-ray logging of diamond-drill holes in the Legin group of claims, southwest San Miguel County, Colo. The positions of these anomalies are at the top surfaces of mudstone strata within, and at the base of, the ore-bearing sandstone of the Salt Wash member of the Morrison formation. The distribution of these anomalies suggests that ground water has leached radioactive material from the ore bodies and has carried it down dip and laterally along the top surfaces of underlying impermeable mudstone strata for distance as great as 300 feet. The anomalies...
Categories: Publication; Types: Citation; Tags: Trace Elements Memorandum


map background search result map search result map Photogeologic map, Navajo Mountain-7 quadrangle, San Juan and Kane Counties, Utah Photogeologic map, Kaiparowits Peak-2 quadrangle, Garfield County, Utah Photogeologic map, Short Creek NW quadrangle, Mohave County, Arizona Photogeologic map, Springdale SE quadrangle, Kane County, Utah Photogeologic map, Virgin SE quadrangle, Washington County, Utah Photogeologic map, White Canyon-8 quadrangle, San Juan County, Utah Photogeologic map, Elk Ridge-16 Quadrangle, San Juan County, Utah Photogeologic map, Orange Cliffs-13 quadrangle, Garfield county, Utah A study of radioactivity in modern stream gravels and its possible application as a prospecting method Photogeologic map of the Norwood-1 Quadrangle, Montrose and Ouray Counties, Colorado Distribution of leached radioactive material in the Legin Group Area, San Miguel County, Colorado Preliminary geologic map of the Paria Plateau SE Quadrangle, Coconino County, Arizona Preliminary geologic map of the Verdure 2 NW quadrangle, San Juan County, Utah Preliminary report on the geology and uranium deposits at Temple Mountain and Green Vein Mesa, San Rafael Swell, Emery County, Utah Photogeologic map, Navajo Mountain-7 quadrangle, San Juan and Kane Counties, Utah Photogeologic map, Kaiparowits Peak-2 quadrangle, Garfield County, Utah Photogeologic map, Short Creek NW quadrangle, Mohave County, Arizona Photogeologic map, Springdale SE quadrangle, Kane County, Utah Photogeologic map, Virgin SE quadrangle, Washington County, Utah Photogeologic map, White Canyon-8 quadrangle, San Juan County, Utah Photogeologic map, Elk Ridge-16 Quadrangle, San Juan County, Utah Photogeologic map, Orange Cliffs-13 quadrangle, Garfield county, Utah Preliminary geologic map of the Paria Plateau SE Quadrangle, Coconino County, Arizona Preliminary geologic map of the Verdure 2 NW quadrangle, San Juan County, Utah Photogeologic map of the Norwood-1 Quadrangle, Montrose and Ouray Counties, Colorado Distribution of leached radioactive material in the Legin Group Area, San Miguel County, Colorado Preliminary report on the geology and uranium deposits at Temple Mountain and Green Vein Mesa, San Rafael Swell, Emery County, Utah A study of radioactivity in modern stream gravels and its possible application as a prospecting method