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SHRIMP zircon U-Pb ages and Hf isotopic compositions of Zhangshiying intrusive complex in the southern margin of the North China Craton and their geological implications
Author(s): 
Pages: 871-887
Year: Issue:  3
Journal: Acta Petrologica Sinica

Keyword:  华北地台南缘张士英岩体锆石U-Pb测年锆石Hf同位素白垩纪太平洋板块;
Abstract: 张士英岩体位于华北地台南缘,岩石类型包括钾长花岗岩、似斑状花岗岩和石英斑岩脉,其中只在钾长花岗岩中发育有暗色岩石包体,在包体和寄主岩中发育反映岩浆混合作用的岩石结构.钾长花岗岩、似斑状花岗岩和石英斑岩脉的SHRIMP锆石U-Pb年龄分别为107.3±2.4Ma、106.7±2.5Ma和101±3Ma.锆石Hf同位素分析结果显示,钾长花岗岩的锆石εHf(t)为-15.96~-20.80,单阶段模式年...
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