区内普遍发育次生氧化砂体，其前缘存在还原障。
Epigenetically oxidized sandstone bodies are widespread in the study area and at the front of the oxidation zone the reduction barrier exists.
油气对铀矿成矿的作用表现为油气后生还原褪色蚀变形成局部还原障；
The role of oil-gas in uranium mineralization are as follows:forming local reducing barrier by fading alteration;
油气对铀矿成矿的作用表现为油气后生还原褪色蚀变形成局部还原障；
The role of oil-gas in uranium mineralization are as follows:forming local reducing barrier by fading alteration;
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