| 大渡河中游泸定-石棉段阶地特征及河谷发育史探讨 |
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| 引用本文： | 熊发挥,肖渊甫,张林.大渡河中游泸定-石棉段阶地特征及河谷发育史探讨[J].四川地质学报,2009,29(4):379-383. |
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| 作者姓名： | 熊发挥 肖渊甫 张林 |
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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： | 基于大渡河中游泸定一石棉河段野外观察和阶地沉积物研究，分析河流的发育特征，影响及其发育演化史。研究表明，该区存在多级构造裂点或岩性裂点，发育有三级夷平面和4～6级阶地，并对阶地沉积物的ESR年代测定，结合前人的阶地测年的数据，阐述了大渡河河谷第四纪的形成过程和青藏高原形成的响应。
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| 关 键 词： | 河流阶地 ESR测年 演化史 大渡河 |
An Approach to Developmental History of the Luding-Shimian Sector of the Dadu River Valley |
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| XIONG Fahui,XIAO Yuanfu,ZHANG Lin.An Approach to Developmental History of the Luding-Shimian Sector of the Dadu River Valley[J].Acta Geologica Sichuan,2009,29(4):379-383. |
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| Authors: | XIONG Fahui XIAO Yuanfu ZHANG Lin |
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| Institution: | (College of Earth Science, Chengdu University of Technology, Chengdu 610059) |
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| Abstract: | This paper deals with characteristics and developmental history of the Dadu River valley and response of terrace evolution to the uplift of the Qinghai-Tibet Plateau on the basis of study of the three-level planation surfaces and 4 - 6-level terraces with ESR dating of terrace deposits. |
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| Keywords: | River terrace ESR dating evolutionary history the Dadu River |
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