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地质力学学报:2017,23(3):459-466
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辽东湾坳陷东部地区走滑断裂发育特征及走滑量的估算
房璐1,2, 吴智平2, 李伟2, 张婧2, 肖瑶2, 张茜2
(1.中国石油塔里木油田分公司, 新疆 库尔勒 841000;2.中国石油大学(华东)地球科学与技术学院, 山东 青岛 266580)
THE DEVELOPMENT CHARACTERISTICS OF STRIKE-SLIP FAULTS AND THE ESTIMATION OF STRIKE-SLIP DISPLACEMENTS OF THE EASTERN LIAODONG BAY DEPRESSION
FANG Lu1,2, WU Zhi-ping2, LI Wei2, ZHANG Jing2, XIAO Yao2, ZHANG Xi2
(1.Tarim Oilfield Company, PetroChina, Korla 841000, China;2.School of Geosciences, China University of Petroleum, Qingdao 266580, China)
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投稿时间:2016-10-14    
中文摘要: 运用丰富的三维地震资料,详细刻画了辽东湾坳陷东部地区三条主干走滑断裂的平面和剖面特征,不同走滑断裂发育特征不同,以及同一断裂也具有分段差异性。整体而言,辽东湾坳陷东部地区在平面上,由东到西、从南北两端向中间,走滑强度逐渐增大。通过构造物理模拟实验的方法,对辽东湾坳陷三条主干走滑断裂的走滑位移量进行估算,结果表明,辽中地区走滑断裂走滑量大于辽东地区;而三条断裂在渐新世时期的走滑位移量和平均走滑位移速率均是最大的,说明辽东湾坳陷东部地区在渐新世时期走滑活动强烈。
Abstract:Based on plenty of three dimensional seismic data, the horizontal and sectional characteristics of three main strike-slip faults in detail in the eastern Liaodong Bay Depression are described. Different faults have different characteristics and even the same fault has segmented differential features. The overall degree of strike-slip gradually increased from east to west, from north and south to the middle. With the method of physical modeling test, the strike-slip displacements of three main strike-slip faults in the eastern Liaodong Bay depression are estimated. The results show that the strike-slip displacement of Liaozhong Area is larger than that of Liaodong Area, and the strike-slip displacement and average strike-slip speeds of three strike-slip faults are the maximum in the Oligocene, illustrating there were strong strike-slips in the Oligocene.
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基金项目:国家科技重大专项(2016ZX05024-002-001);辽东湾探区整体构造解释及盆地构造演化研究(CCL2013TJXSBS1881)
引用文本:
房璐,吴智平,李伟,张婧,肖瑶,张茜.辽东湾坳陷东部地区走滑断裂发育特征及走滑量的估算[J].地质力学学报,2017,23(3):459-466
FANG Lu,WU Zhi-ping,LI Wei,ZHANG Jing,XIAO Yao,ZHANG Xi.THE DEVELOPMENT CHARACTERISTICS OF STRIKE-SLIP FAULTS AND THE ESTIMATION OF STRIKE-SLIP DISPLACEMENTS OF THE EASTERN LIAODONG BAY DEPRESSION[J].,2017,23(3):459-466

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