水岩体系Eh—pH法在砂岩型铀矿层间氧化带划分中的应用——以新疆伊犁盆地512铀矿床为例 |
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关键词:water-rock system Eh-pH method sandstone-type uranium ore interlayer oxidation zone Yili basin |
基金项目:核工业总公司资助项目“伊犁盆地砂岩型铀矿综合找矿技术方法研究”(编号Y5610918) |
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摘要: |
Application of the Water-Rock System Eh-Ph Method to the Division of the Interlayer Oxidation Zone in the Sandstone Type Uranium Ore: Exemplified by No.512 Uranium Deposit, Yili Basin, Xinjiang |
Studies on the application of water-rock system E h and pH values to the interlayer oxidation zone of No.512 uranium deposit show that the water-rock system E h mean values are very close to each other in the same subzone of the interlayer oxidation zone, while the water-rock system E h values are obviously different in different subzones of the interlayer oxidation zone, i.e., from the oxidation zone to the reduction zone, the water-rock system E h values clearly decrease. The water-rock system pH values are somewhat different in different subzones of the interlayer oxidation zone, i.e., the oxidation and reduction zones are in an environment of weakly alkali media whereas the reduction-oxidation transitional zone is in the setting of neutral media. The water-rock system E h and pH values can be regarded as the evidence for dividing the interlayer oxidation zone and delineating the uranium orebodies. |
ZHANG Wei-min,LIU Jin-hui,LI Xue-li,SHI Wei-jun.2003.Application of the Water-Rock System Eh-Ph Method to the Division of the Interlayer Oxidation Zone in the Sandstone Type Uranium Ore: Exemplified by No.512 Uranium Deposit, Yili Basin, Xinjiang[J].Acta Geoscientica Sinica,24(1):85-90. |
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