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首页> 美国政府科技报告 >Geochemical Orientation Survey of Stream Sediment, Stream Water, and Ground Water Near Uranium Prospects, Monticello Area, New York. National Uranium Resource Evaluation Program
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Geochemical Orientation Survey of Stream Sediment, Stream Water, and Ground Water Near Uranium Prospects, Monticello Area, New York. National Uranium Resource Evaluation Program

机译：纽约蒙蒂塞洛地区铀矿前景下河流沉积物，河水和地下水的地球化学定向调查。国家铀资源评估计划

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A detailed geochemical test survey has been conducted in a 570 sq km area around six small copper-uranium prospects in sandstones of the Devonian Catskill Formation near Monticello in southern New York state. This report summarizes and interprets the data for about 500 stream sediment samples, 500 stream water samples, and 500 ground water samples, each analyzed for 40 to 50 elements. The groundwater samples furnish distinctive anomalies for uranium, helium, radon, and copper near the mineralized localities, but the samples must be segregated into aquifers in order to obtain continuous well-defined anomalies. Two zones of uranium-rich water (1 to 16 parts per billion) can be recognized on cross sections; the upper zone extends through the known occurrences. The anomalies in uranium and helium are strongest in the deeper parts of the aquifers and are diluted in samples from shallow wells. In stream water, copper and uranium are slightly anomalous, as in an ore factor derived from factor analysis. Ratios of copper, uranium, and zinc to conductivity improve the resolution of anomalies. In stream sediment, extractable uranium, copper, niobium, vanadium, and an ore factor furnish weak anomalies, and ratios of uranium and copper to zinc improve the definition of anomalies. The uranium/thorium ratio is not helpful. Published analyses of rock samples from the nearby stratigraphic section show distinct anomalies in the zone containing the copper-uranium occurrences. (ERA citation 07:060937)

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