| 渭河盆地东南缘铲形正断层上盘活动特征 |
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| 引用本文： | 侯建军,白太绪.渭河盆地东南缘铲形正断层上盘活动特征[J].中国地震,1993,9(4):351-355. |
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| 作者姓名： | 侯建军 白太绪 |
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| 作者单位： | 北京大学地质系，北京大学地质系，北京大学地质系，北京大学地质系，北京大学地质系 中国北京 100871，中国北京 100871，中国北京 100871，中国北京 100871，中国北京 100871 |
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| 基金项目： | 国家教委优秀年轻教师基金 |
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| 摘 要： | 本文根据野外和力学分析，认为渭河盆地东南缘铲形正断层上盘块体沿凹曲的断层面向下滑动和旋转作用，在山前冲洪积平原区产生了同向断层、反向断层和上盘横断层。这些构造的差异活动及其在地表的表现特征，可作为铲形正断层分段的重要标志。
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| 关 键 词： | 铲形正断层 地震 断层 渭河盆地 |
The Active Features of the Hangingwall on the Southeastern Edge Listric Normal Fault in the Weihe Basin |
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| Hou Jianjun Bai Taixu Liang Haihua Zheng Wentao Wang Shimin.The Active Features of the Hangingwall on the Southeastern Edge Listric Normal Fault in the Weihe Basin[J].Earthquake Research in China,1993,9(4):351-355. |
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| Authors: | Hou Jianjun Bai Taixu Liang Haihua Zheng Wentao Wang Shimin |
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| Abstract: | Based upon the field observations and mechanic analysis,the authors think that synthetic faults, antithetic faults and hangingwall crossfaults are formed on the piedmont alluvial-pluvial plain under the action of hangingwall block gliding downward and rotating along concave fault plane on the southeastern edge listric normal fault of the Weihe basin. The characteristics of different activities and expressions on surface of these structures may be taken as the main marks of listric normal fault segmentation. |
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| Keywords: | Listric normal fault Synthetic fault Antithetic fault Hangingwall cross-fault |
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