| Characteristics of Tectonic Deformation and Mechanisms for the Active Maxianshan-Xinglongshan Fault System in the Lanzhou Area |
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| 作者姓名： | Yuan Daoyang Liu Xiaofeng ZHENG Wenjun Liu Xiaolong Liu Baichi |
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| 作者单位： | LanzhouInstituteofSeismology,ChinaSeismologicalBureau,Lanzou730000,China |
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| 基金项目： | TheresearchprojectisoneoftheStateKeyBasicResearchandDevelopmentProgram (G19980 4 0 70 1 0 4 )andoneofKeyResearchProjectsduringthe 9thFive YearPlanofGansuProvince .ContributionNo .LC2 0 0 30 0 2 ,LanzhouInstituteofSeismology ,ChinaSeismologicalBureau |
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| 摘 要： | A detailed investigation permitted us to obtain quantitative data concerning fine geometric structures of 4 faults of the active Maxianshan-Xinglongshan fault system and the latest movement along them. Of them the northern Maxianshan border fault is a large-scale, strongly active Holocene reverse sinistral strike-slip fault, the other 3 faults, the southern Maxianshan border fault and the southern Xinglongshan border and the northern Xinglongshan border faults are the accompanying active late-Pleistocene thrust faults, which are incorporated into the main strike-slip fault, the northern Maxianshan border fault at depth. It is the most important earthquake-controlling fault in the Lanzhou area, the fault influences and constrains the seismic activity in the area.
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| 关 键 词： | 构造变形 地震活动性 机械装置 地震调查 |
Characteristics of Tectonic Deformation and Mechanisms for the Active Maxianshan-Xinglongshan Fault System in the Lanzhou Area |
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| Yuan Daoyang,Liu Xiaofeng,ZHENG Wenjun,Liu Xiaolong,Liu Baichi.Characteristics of Tectonic Deformation and Mechanisms for the Active Maxianshan-Xinglongshan Fault System in the Lanzhou Area[J].Earthquake Research in China,2003,17(4):315-323. |
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| Authors: | Yuan Daoyang Liu Xiaofeng ZHENG Wenjun Liu Xiaolong and Liu Baichi |
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| Institution: | Lanzhou Institute of Seismology, China Seismological Bureau, Lanzou 730000, China;Lanzhou Institute of Seismology, China Seismological Bureau, Lanzou 730000, China;Lanzhou Institute of Seismology, China Seismological Bureau, Lanzou 730000, China;Lanzhou Institute of Seismology, China Seismological Bureau, Lanzou 730000, China;Lanzhou Institute of Seismology, China Seismological Bureau, Lanzou 730000, China |
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| Abstract: | A detailed investigation permitted us to obtain quantitative data concerning fine geometric structures of 4 faults of the active Maxianshan-Xinglongshan fault system and the latest movement along them. Of them the northern Maxianshan border fault is a large-scale, strongly active Holocene reverse sinistral strike-slip fault, the other 3 faults, the southern Maxianshan border fault and the southern Xinglongshan border and the northern Xinglongshan border faults are the accompanying active late-Pleistocene thrust faults, which are incorporated into the main strike-slip fault, the northern Maxianshan border fault at depth. It is the most important earthquake-controlling fault in the Lanzhou area, the fault influences and constrains the seismic activity in the area. |
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| Keywords: | Lanzhou Maxianshan-Xinglongshan mountains Active fault system Tectonic deformation |
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