| 渤海湾盆地黄骅坳陷新生代结构特征及构造动力学模式 |
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| 关键词:Huanghua depression oil field structural analysis structure feature structure dynamics model |
| 基金项目:国家自然科学基金项目(编号: 40372072)资助 |
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| 摘要: |
| Cenozoic Structure Features of Huanghua Depression and Its Structure Dynamics Model |
| In order to reveal Cenozoic structure dynamics mechanism of Huanghua Depression, the authors made a comprehensive analysis of Cenozoic basin structure features of Huanghua Depression using the theory of Oilfield Structural Analysis. The result shows that the whole Paleogene strata of the Huanghua Depression can be regarded as a graben-horst structure system in the upper wall of Cangdong fault. The basin structure features are obviously different in different segments. The southern area consists of two graben fault-depressions whose structures are related to the attitudes of fundamental faults, the southern part of the middle area assumes a half graben system controlled by three SE-dipping normal faults, and the northern part of the middle area converts into a graben fault-depression. The structure of the northern area is mainly controlled by NE- and NW-trending faults and as-sumes a half graben or a graben fault-depression. Based on an analysis of structure features in Cenozoic basin of Huanghua Depression, this paper further discusses the relationship between the evolutionary process of basin structure and dynamics mechanism, and puts forward a Cenozoic structure dynamics model for Huanghua Depres-sion. |
| LI Ming-gang,QI Jia-fu,YANG Qiao,XU Tian-wu,CHEN Gang.2009.Cenozoic Structure Features of Huanghua Depression and Its Structure Dynamics Model[J].Acta Geoscientica Sinica,30(2):201-209. |
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