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钱家店铀矿床漂白砂岩成因探讨

Ya-qing PANG,Wei-dong XIANG,Tian-gang LI,Xiao-lin CHEN,Yu-liang XIA

World Nuclear Geoscience（2007）

Cited 7|Views54
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Abstract
钱家店铀矿床是近年来松辽盆地发现的1个砂岩型铀矿床.铀矿体呈板状、透镜状,受漂白砂岩与灰色砂岩接触带控制.漂白砂岩呈灰白色,胶结疏松,基本不含有机碳及黄铁矿,且有铀的富集.通过研究漂白砂岩的地球化学特征以及黏土矿物类型与组合,认为漂白砂岩是层间氧化带氧化作用的产物,是层间氧化带的一部分.漂白砂岩呈白色调的主要原因是铁离子的迁移、有机碳的氧化和岩石的高岭石化.
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Key words
geochemical characteristics,Qianjiadian uranium deposit,interlayer oxidation zone,bleached sandstone
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