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Study on Correlation Between Uranium Content of Zircons and the Metallization Capacity of Pluton——a Case Study of Southern Zhuguang Granitic Composite
Author(s): 
Pages: 206-213
Year: Issue:  4
Journal: Uranium Geology

Keyword:  诸广南部花岗岩产铀与贫铀岩体锆石铀含量岩脉;
Abstract: 为初步探讨锆石铀含量在花岗岩型铀矿远景区预测方面的应用前景,以勘探研究程度较高的诸广南部花岗岩为样本,经花岗岩类样品概率统计显示产铀岩体锆石平均铀含量略大于贫铀岩体,总体差别不明显;样品分期次、岩性对比分析表明产铀岩体锆石平均铀含量也并非普遍高于贫铀岩体,印支期产铀岩体二云母花岗岩锆石平均铀含量甚至低于贫铀岩体;统计发现产铀岩体花岗岩岩脉中具有超高的锆石铀含量(平均铀含量3 000×10-6以上).初步分析认为依据花岗岩类锆石铀含量暂不能有效判别诸广山复式岩体成矿能力;岩脉锆石铀含量超高可能是铀矿找矿的重要标志,因而具超高锆石铀含量的花岗岩岩脉是否发育可能是该区域寻找工业铀矿床的关键.
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