三峡地区雾渡河断裂构造特征及最新活动性研究

Journal of Geodesy and Geodynamics(2012)

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Abstract
根据野外调查获得的第一手资料,结合前人有关雾渡河断裂的研究成果,论述了雾渡河断裂的区域地质背景、构造应力场、深部构造特征、地貌水系样式,其中重点解决了雾渡河断裂的运动学特征和断裂活动时代。根据所采断裂上覆第四纪沉积物样品的TL测年数据(76.43±6.49 ka),确定雾渡河断裂晚更新世以来活动不明显。
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Key words
prevention of geological disasters,seismic risk assessment,fault activity,Three Gorges area,Wuduhe fault zone
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