| 辽东湾-下辽河裂陷盆地的构造样式 |
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| 引用本文： | 漆家福,陈发景. 辽东湾-下辽河裂陷盆地的构造样式[J]. 石油与天然气地质, 1992, 13(3): 272-283. DOI: 10.11743/ogg19920305 |
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| 作者姓名： | 漆家福 陈发景 |
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| 作者单位： | 1. 石油大学地球科学系 北京 100083;2. 中国地质大学能源地质系 北京 100083 |
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| 摘 要： | 辽东湾-下辽河裂陷盆地内存在两个相对独立,又相互关联的新生代构造系统-伸展构造和走滑构造。伸展构造是控制盆地形成和演化的主体构造,由不同级别的伸展断层构成向北西西倾斜的大型铲式扇正断层连锁系,整个裂陷盆地是在该断层系上盘发育形成的。走滑构造分布在盆地东部边缘,由高角度或近直立的基底走滑断层系及其各式伴生构造组合而成。走滑构造改造了伸展构造。
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| 关 键 词： | 构造样式 伸展构造 走滑构造 郯庐深断裂 辽东湾-下辽河盆地 |
| 收稿时间： | 1991-11-04 |
STRUCTURAL STYLE IN LIAODONGWANXIALIAOHE BASIN |
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| Qi Jiafu,Chen Fajing. STRUCTURAL STYLE IN LIAODONGWANXIALIAOHE BASIN[J]. Oil & Gas Geology, 1992, 13(3): 272-283. DOI: 10.11743/ogg19920305 |
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| Authors: | Qi Jiafu Chen Fajing |
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| Affiliation: | 1. Department of Earth Sciences, University of Petroleum, Beijing;2. Department of Energy Source Geology, China University of Geosciences, Beijing |
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| Abstract: | Two independent but interrelated Cenozoic structural systems-extensional structure and strike-slip structure developed in the Liaodongwan-Xialiaohe Basin.The extensional structure was the main structure styled in half graben-half horst assemblage that con-trolled the formation and evolution of the basin.The strike-slip structure was distributed in the east margin of the basin,reconstructed the extentianal structure and consisted of ligh-angle or nearly vertical basement strike-slip faults and verious associated structures including linar graben and horst,echelon folds,volcanic and mudstone diapir structures.The strike-slip structure with a dextral character may be related with activity of Tanlu deep fault since Oligocene. |
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