含矿层位的富铀沉积砂体及蚀源区富铀的岩体、石炭系碎屑岩以及火山碎屑岩等，构成铀成矿铀源。
Uraniferous sandstone accumulated during the deposition and the uranium leached from the source area rocks by weathering are main sources for uranium mineralization.
此类型矿床是富铀地层选择性熔融，并在此过程中导致铀的活化、转移和局部富集的结果。
The formation of uranium mineralization is considered as a result remobilization, migration and local concentration caused by preferential melting of the uranium-rich strata.
实验分析的数据首次表明：铀氧化物中的氧同位素主要是富轻氧的。
Data from the analytical results show that the oxygen isotopes in analysed uranium oxides is mostly light oxygen.
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