| 川滇交界地区地壳结构及现代地壳活动模式 |
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| 引用本文： | 李国和,王思敬.川滇交界地区地壳结构及现代地壳活动模式[J].地质力学学报,2000,6(2):82-91. |
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| 作者姓名： | 李国和 王思敬 |
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| 作者单位： | 中国科学院地质与地球物理研究所工程地质力学开放研究实验室,北京,100029 |
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| 基金项目： | 中国科学院资源与生态环境研究项目,KZ952-J1-416, |
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| 摘 要： | 根据地球物理异常及大地测深资料探讨川滇交界地区的地壳深部构造背影及地壳结构特征,并综合多方面的研究资料,以两板块碰撞、青藏高原窿升为构造背景,以川滇菱形断块运动为基本模式,全面系统地揭示川滇交界面区的现代地壳活动性。从地壳运动图象中可以清楚地看到断块差异性活动是现代地壳活动主要形式。
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| 关 键 词： | 川滇 菱形断块 地壳结构 断块活动 地壳活动模式 |
| 收稿时间： | 1999/10/21 0:00:00 |
THE CRUSTAL STRUCTURE AND MODE OF CRUSTAL MOVEMENT IN THE SICHUAN-YUNNAN REGION |
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| LI Guo-he,WANG Si-jin,SHANG Yan-jun,ZHANG Qiang.THE CRUSTAL STRUCTURE AND MODE OF CRUSTAL MOVEMENT IN THE SICHUAN-YUNNAN REGION[J].Journal of Geomechanics,2000,6(2):82-91. |
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| Authors: | LI Guo-he WANG Si-jin SHANG Yan-jun ZHANG Qiang |
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| Institution: | Institute of Geology ang Geophyics, the Chinese Academy of Sciences, Beijing 100029, China,Institute of Geology ang Geophyics, the Chinese Academy of Sciences, Beijing 100029, China,Institute of Geology ang Geophyics, the Chinese Academy of Sciences, Beijing 100029, China and Institute of Geology ang Geophyics, the Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: | Based on geophysical features,MT results and velocity structure of the crust and upper mantle in the Sichuan-Yunnan area,the crustal structure and tectonic setting in the deep crust are here presented. It has become clear that the thick crust of the area bordering the Sichuan and Yunnan provinces,appears to reflect the SSE extrusion in the continent-continent collision between the Indian plate and Eurasian plate. Its recent activity is characte-rized by block faulting. |
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| Keywords: | Sichuan-Yunnan rhombic block crustal structure block faulting |
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