冀北隐伏火山热液型铀矿地表地球化学异常
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Surface geochemical anomalies of concealed volcanic hydrothermal uranium deposit in northern Hebei
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图3. 土壤210Po (a)及活动态铀含量(b)分布直方图 |
Fig.3. Histogram of 210Po (a) and mobile-state uranium content(b) distribution |
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