| 北祁连山东段活动断裂带的分段性研究 |
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| 引用本文： | 袁道阳,刘百篪,吕太乙,何文贵,刘小凤,甘卫军.北祁连山东段活动断裂带的分段性研究[J].西北地震学报,1998,20(4):27-34. |
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| 作者姓名： | 袁道阳 刘百篪 吕太乙 何文贵 刘小凤 甘卫军 |
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| 作者单位： | 中国地震局兰州地震研究所 |
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| 基金项目： | 国家地震局合同项目(85-02-01-3-4);地震科学联合基金资助课题(9500020) |
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| 摘 要： | 根据北祁连山东段活动断裂带１：５万地质填图资料，系统分析了断裂带的几何学特征，位移分布，滑动速率，古地震及历史地震活动在时空上的非均匀性特征，研究了断裂带的破裂分段性。
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| 关 键 词： | 北祁连山 断裂带 地震活动性 古地震 分段 |
| 收稿时间： | 1998/3/11 0:00:00 |
STUDY ON THE SEGMENTATION IN EAST SEGMENT OF THE NORTHERN QILIANSHAN FAULT ZONE |
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| Yuan Daoyang,Liu Baichi,Lu Taiyi,He Wengui,Liu Xiaofeng and Gan Weijun.STUDY ON THE SEGMENTATION IN EAST SEGMENT OF THE NORTHERN QILIANSHAN FAULT ZONE[J].Northwestern Seismological Journal,1998,20(4):27-34. |
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| Authors: | Yuan Daoyang Liu Baichi Lu Taiyi He Wengui Liu Xiaofeng and Gan Weijun |
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| Institution: | Lanzhou Institute of Seismology, CSB, Lanzhou 730000,Lanzhou Institute of Seismology, CSB, Lanzhou 730000,Lanzhou Institute of Seismology, CSB, Lanzhou 730000,Lanzhou Institute of Seismology, CSB, Lanzhou 730000,Lanzhou Institute of Seismology, CSB, Lanzhou 730000 and Lanzhou Institute of Seismology, CSB, Lanzhou 730000 |
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| Abstract: | In this paper,according to the 1:50 000 geological mapping information in east segment of the northern Qilianshan active fault zone,authors systematically analysed the geometry,inhomo-geneity features of the displacement distribution,slip rates,palaeoearthquakes and historical earthquakes in time and space along the fault zone,then summarized the rupture segmentation,It is considered that the east segment of the active fault zone can be devided into Laohushan and Maomaoshan-Jinqianghe first class rupture segments.The Laohushan fault can be devided into east and west segments,the Maomaoshan-Jinqianghe fault can devided into the Maomaoshan and Jinqianghe second class segments. |
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| Keywords: | Northern Qilianshan fault zone Seismic activity Palaeoearthquake Segmentation |
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