| 鲜水河断裂带的现今水平形变及构造动态 |
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| 引用本文： | 桂Kun长 顾国华.鲜水河断裂带的现今水平形变及构造动态[J].地震地质,1992,14(1):61-67. |
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| 作者姓名： | 桂Kun长 顾国华 |
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| 作者单位： | 国家地震局第一地形变监测中心，国家地震局第一地形变监测中心 天津 300180，天津 300180 |
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| 摘 要： | 据鲜水河断裂带水平测距的新成果,讨论该带现今构造运动的动态特征。在分析水平形变的基础上,联系表层构造形变和区域背景,探讨地块沿断裂带运动的模式。认为该带的现今运动主要表现为断裂带两侧地块往东南的同向不等速滑动,其地表形变效应则与左旋走滑相一
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| 关 键 词： | 鲜水河断裂带 水平形变 重复大地测量 现今构造运动 |
RECENT HORIZONTAL DEFORMATION AND DYNAMIC BEHAVIOR OF TECTONIC MOVEMENT ALONG THE XIANSHUIHE FAULT ZONE IN SICHUAN CHINA |
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| Gui Kunchang Gu Guohua.RECENT HORIZONTAL DEFORMATION AND DYNAMIC BEHAVIOR OF TECTONIC MOVEMENT ALONG THE XIANSHUIHE FAULT ZONE IN SICHUAN CHINA[J].Seismology and Geology,1992,14(1):61-67. |
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| Authors: | Gui Kunchang Gu Guohua |
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| Abstract: | From the result of the repeated geodetic surveys on the network,across the Xianshuihe fault zone,the dynamic characteristics of recent tectonic movement along the fault zone are discussed in this paper.Possible models of block motion along the fault zone are studied based on the analysis of the geodetic horizontal deformation,the historic tectonic deformation and regional tectonic background.This study shows that the recent tectonic movement along the Xianshuihe fault zone is mainly characterized by nonuniform slips of the blocks on both sides of the fault in the same sense,and the geodetic deformation on the surface is in agreement with the left-lateral slips along the fault zone. |
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| Keywords: | Xianshuihe fault zone Horizontal deformation Repeated geodetic survey Recent tectonic movement |
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