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Genetic types of granitoids in eastren China and their relationship to uranium metallogenesis
Author(s): 
Pages: 330-336
Year: Issue:  6
Journal: URANIUM GEOLOGY

Keyword:  改造型花岗岩同熔型花岗岩铀矿化华东地区花岗岩类;
Abstract: 本文对华东地区的花岗岩类按改造型-变质混合交代型、重熔型和同熔型--同熔型(Ⅰ型)、深源分异型(A型)进行了成因分类,并对各类花岗岩的岩石化学成分、岩石学特征、副矿物、稀土元素、锶、氧同位素等特征进行了较为详细的论述,列举了各类花岗岩的分布地区和代表性岩体;论述了各类花岗岩的空间分布与铀矿床产出的关系,指出重熔型花岗岩是铀矿床产出的主要岩体类型,其次是深源分异型(A型)花岗岩.变质混合交代型和同熔型(Ⅰ型)花岗岩只有铀矿点或矿化点产出.文章最后系统地总结了改造型与同熔型花岗岩的铀矿化特征.
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