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本文以层间氧化带型铀矿床为例,根据各层间分带中铀存在的形式和状态、铀成矿的条件及各阶段相应的化学变化及气体扩散所引起的氧浓度梯度变化,对砂岩型铀矿床上方氧的分布模式做了初步探讨。通过在已知矿床上取得良好效果的应用实例,指出野外工作时应注意的问题。认为该法在寻找可地浸砂岩型铀矿床中不失为一种简单易行的方法。
In this paper, taking the interlayer oxidized belt type uranium deposit as an example, according to the forms and states of uranium in the stratified zones, the conditions of uranium mineralization and the corresponding chemical changes in each stage and the oxygen concentration gradient caused by gas diffusion, Sandstone-type uranium deposits above the oxygen distribution pattern made a preliminary discussion. Through the application of good results in the known deposit, points out the problems that should be paid attention to when working in the field. It is considered that this method is a simple and easy method to find leachable sandstone-type uranium deposit.