| 楞古-孜河弧形背斜特征及形成过程 |
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| 引用本文： | 焦骞骞,邓江红.楞古-孜河弧形背斜特征及形成过程[J].四川地质学报,2009,29(4):393-395. |
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| 作者姓名： | 焦骞骞 邓江红 |
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| 作者单位： | 成都理工大学地球科学学院,成都,610059 |
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| 摘 要： | 祝桑弧位于松潘-甘孜造山带南部，楞古-孜河弧形背斜位于弧顶部位。楞古-孜河背斜主褶皱、内部小褶皱及叠加褶皱的特征表明其形成经历了印支晚期自北向南的滑脱作用，燕山早期南北向挤压作用及燕山中晚期南西-北东向挤压作用等三次构造变动。其成因可能与扬子板块与劳亚板块的俯冲、碰撞有关。
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| 关 键 词： | 松潘-甘孜造山带 弧形背斜 滑脱作用 |
The characteristics of the Lenggu-Zihe arc anticline and the formation process |
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| JIAO Qianqian,DENG Jianghong.The characteristics of the Lenggu-Zihe arc anticline and the formation process[J].Acta Geologica Sichuan,2009,29(4):393-395. |
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| Authors: | JIAO Qianqian DENG Jianghong |
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| Institution: | (College of Earth Science, Chengdu University of Technology, Chengdu 610059) |
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| Abstract: | The Lenggu-Zihe anticline is located at the top of the Zhusang arcuate structure in the south Songpan-Garze orogenic belt. It underwent three phase tectonic actions such as late Indo-Chinese detachment from north to south, early Yanshanian longitudinal compression and late Yanshanian northeastwards compression which could be related to the collision between the Laurasia plate and the Yangtze plate. |
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| Keywords: | Songpan-Garze orogenic belt arcuate structure detachment |
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