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1. 大官厂矿区大地构造位置(a)及地质简图(b)(据参考文献[ |
Fig.1. Geotectonic location(a) and geological sketch (b) of the Daguanchang uranium deposit (modified from reference [ |
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