西天山蓝片岩榴辉岩形成和抬升的40Ar/39Ar年龄记录

被引:47
作者
高俊
张立飞
刘圣伟
机构
[1] 中国地质科学院地质研究所!北京
[2] 北京大学地质学系!北京
[3] 中国地质科学院地质研究所!北京
关键词
西天山; 榴辉岩; 蓝片岩; 40Ar/39Ar年龄;
D O I
暂无
中图分类号
P588.3 [变质岩];
学科分类号
摘要
40Ar/39Ar年龄表明:西天山哈斯阿特岩片榴辉岩相岩石形成于泥盆纪早期(401 Ma);泥盆纪中期,已被抬升至绿片岩相构造层次(381 Ma).阿克萨依岩片蓝片岩的形成与抬升限定在泥盆纪晚期(370~ 364 Ma).高压变质带中不同构造岩片经历了不同的抬升历程。
引用
收藏
页码:89 / 94
页数:6
相关论文
共 6 条
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