| 中国东部北北西(北西)向构造系与地震活动关系的讨论 |
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| 引用本文： | 李祖武. 中国东部北北西(北西)向构造系与地震活动关系的讨论[J]. 大地测量与地球动力学, 1992, 0(2) |
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| 作者姓名： | 李祖武 |
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| 作者单位： | 国家地震局地震研究所 |
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| 摘 要： | 本文依实际资料,讨论了中国东部北北西(北西)向构造系与地震活动的关系。其结论是:中国东部的地震活动主要是北北西(北西)向构造系,在北东东向压应力作用下,两组共轭剪切断裂分别发生右旋和左旋错动的结果。两者关系颇为密切。
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| 关 键 词： | 北北西(北西)向构造系 方向性 成带性 网络性 迁移性 |
DISCUSSION ON RELATIONSHIP BETWEEN THE SEISMIC ACTIVITY AND NNW (NW) TECTONIC SYSTEM IN EAST PART OF CHINA |
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| Li Zhuwu. DISCUSSION ON RELATIONSHIP BETWEEN THE SEISMIC ACTIVITY AND NNW (NW) TECTONIC SYSTEM IN EAST PART OF CHINA[J]. Journal of Geodesy and Geodynamics, 1992, 0(2) |
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| Authors: | Li Zhuwu |
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| Abstract: | The ralationship between the seismic activity and NNW(NW) tectonic system in the east part of China is discussed in respects of orientations, zonation, network-formation, migration and repetition of seismic activity according to the argument that the NNW(NW) tectonic system formed since the late cretaceous epoch-Terrify period. Therefore, it can be hold that the seismic activity in east part of China is as a result of right lateral and left lateral displacement caused respectively by two sets of conjugate shear fracture under the action of the NEE pressure stress. The relationship between the seismic activity and NNW(NW) tectonic system in eastpart of China is rather close. |
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| Keywords: | NNW (NW) tectonic system orientations zonation network-formation migration repitaion. |
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