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兰聊断层的几何学、运动学特征对东濮凹陷构造样式的影响
漆家福 王德仁 陈书平 赵衍斌 程秀申 解宸 徐政强
摘 要:东濮凹陷的古近系充填在由兰聊断层控制的一个复式半地堑断陷中.兰聊断层总体上为铲式断层面形态,但是沿东濮凹陷轴向断层面形态和拆离深度有明显变化.北段为浅层相对缓倾的铲式正断层,拆离面深度约9~12 km;中段为浅层相对陡倾的铲式正断层,拆离深度约为14~16 km;南段为坡坪式正断层,浅层的拆离深度约8 km,深层拆离深度约11~13 km.不同区段的兰聊断层在古近纪不同时期的运动学特征也具有明显的差异,中段的伸展量相对较大.由于兰聊断层的几何学、运动学特征沿东濮凹陷轴向发生变化,导致凹陷的构造样式、沉积作用、石油地质条件有明显的不同.
关键词:伸展构造;几何学;运动学;兰聊断层;东濮凹陷
分类号:TE111.2 文献标识码:A
文章编号:0253-9985(2006)04-0451-09
Impact of geometry and kinematics of Lanliao fault on structural styles in Dongpu sag
Qi Jiafu Wang Deren Chen Shuping Zhao Yanbing Cheng Xiushen Xie Chen Xu Zhenqian
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基金项目:中国自然科学基金项目(40372072)
作者简介:漆家福(1957-),男,教授(博士生导师),构造地质学和含油气盆地分析
作者单位:漆家福(中国石油大学,资源与信息学院,北京,102249)
王德仁(中国石油化工股份有限公司,中原油田分公司,地质勘探开发研究院,河南,濮阳,457001)
陈书平(中国石油大学,资源与信息学院,北京,102249)
赵衍斌(中国石油大学,资源与信息学院,北京,102249)
程秀申(中国石油化工股份有限公司,中原油田分公司,地质勘探开发研究院,河南,濮阳,457001)
解宸(中国石油化工股份有限公司,中原油田分公司,地质勘探开发研究院,河南,濮阳,457001)
徐政强(中国石油化工股份有限公司,中原油田分公司,地质勘探开发研究院,河南,濮阳,457001)
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