| The Activity of Liaocheng-Lankao Buried Fault During the Quaternary——An Important Buried Active Fault in the Eastern China Plain |
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| 作者姓名： | Xiang Hongf Wang Xuechao Hao Shujian Zhang Hui Guo Shunmin Li Jinzhao Li Hongwu Lin Yuanwu Zhang Wanxia |
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| 作者单位： | [1]InstituteofGeology,ChinaSeismologicalBureau,Beijing100029,China [2]InstituteforExploration,Planning,andDesign,YellowRiverWaterConservancyCommission,Zhengzhou450003,China |
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| 摘 要： | On the basis of locating by the geochemical prospecting,shallow seismic sounding,drilling,geological profiling,and neogeochronological dating,we first found out the dislocation amount along the Liaocheng-Lankao buried fault since the Quaternary and the age of its latest activity phase and determined that the upper break point by the fault dislocation reaches 20m below the surface,The latest activity phase was in the early Holocene and the Fault is a shallow-buried active fault.An average dislocation rate along the fault is 0.12mm/a since the Quaternary.Thus,it is a buried active fault with intermediate to strong movement strength in the eastern china.
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| 关 键 词： | 隐藏断层 活动性 地震 地质构造 华东平原 |
The Activity of Liaocheng-Lankao Buried Fault During the Quaternary -An Important Buried Active Faultin the Eastern China Plain |
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| Xiang Hongf,Wang Xuechao,Hao Shujian,Zhang Hui,Guo Shunmin,Li Jinzhao,Li Hongwu,Lin Yuanwu,Zhang Wanxia.The Activity of Liaocheng-Lankao Buried Fault During the Quaternary -An Important Buried Active Faultin the Eastern China Plain[J].Earthquake Research in China,2001,15(2):124-133. |
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| Authors: | Xiang Hongf Wang Xuechao Hao Shujian Zhang Hui Guo Shunmin Li Jinzhao Li Hongwu Lin Yuanwu and Zhang Wanxia |
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| Institution: | Xiang Hongfa,Wang Xuechao,Hao Shujian,Zhang Hui,Guo Shunmin,Li Jinzhao,Li Hongwu,Lin Yuanwu,and Zhang Wanxia1)Institute of Geology,China Seismological Bureau,Beijing 100029,China, 2)Institute for Exploration,Planning,and Design,Yellow R |
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| Abstract: | On the basis of locating by the geochemical prospecting, shallow seismic sounding, drilling, geological profiling, and neogeochronological dating, we first found out the dislocation amount along the Liaocheng-Lankao buried fault since the Quaternary and the age of its latest activity phase and determined that the upper break point by the fault dislocation reaches 20 m below the surface. The latest activity phase was in the early Holocene and the fault is a shallow-buried active fault. An average dislocation rate along the fault is 0.12 nun/a since the Quaternary. Thus, it is a buried active fault with intermediate to strong movement strength in the eastern China. |
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| Keywords: | Liaocheng-Lankao buried fault Quaternary activity Integrated investigation |
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