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西藏日土县埃永错地区推覆构造证据及形成时代初探
Preliminary Discussion about Evidence and Formation Age of the Nappe Structures in the Aiyongcuo Areas of Ritu County, Tibet
【摘要】 西藏日土县埃永错地区发育自北向南的推覆构造,发育加木久-宋巴-狼当和种木干-祝若南4396高-沙尔多垄-狼当两条逆冲推覆断裂带,形成一系列构造窗和飞来峰构造。逆冲推覆构造形成于始新世之后,推覆体推覆距离大于3km。
【Abstract】 The from north to south nappe structures developed in the Aiyongcuo area of Ritu County, Tibet, comprise two overthrust nappe fault zones as the Jiamuiu-Songba-Langdang one and the Zhongmugan-Zhuruonan 4396 m highland-Shaerduolong-Langdang one, forming a series of tectonic window and klippe structures. The overthrust structure was formed after the Eocene epoch and its nappes have overthrust distances of more than 3 km.
【关键词】 形成时代;
推覆构造;
埃永错地区;
西藏日土县;
【Key words】 forming age; nappe structure; the Aiyongcuo area; Ritu County of Tibet;
【Key words】 forming age; nappe structure; the Aiyongcuo area; Ritu County of Tibet;
【基金】 中国地质调查局工作项目(编号1212010730109 1212010818032)
- 【文献出处】 四川有色金属 ,Sichuan Nonferrous Metals , 编辑部邮箱 ,2019年03期
- 【分类号】P548
- 【下载频次】35