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Volume 25 Issue 2
Apr.  2014
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Guangzeng Song;Hua Wang;Huajun Gan;Zhipeng Sun;Xiaolong Liu;Meng Xu;Jinfeng Ren;Ming Sun;Di Sun. Paleogene Tectonic Evolution Controls on Sequence Stratigraphic Patterns in the Central Part of Deepwater Area of Qiongdongnan Basin, Northern South China Sea. Journal of Earth Science, 2014, 25(2). doi: 10.1007/s12583-014-0433-7
Citation: Guangzeng Song;Hua Wang;Huajun Gan;Zhipeng Sun;Xiaolong Liu;Meng Xu;Jinfeng Ren;Ming Sun;Di Sun. Paleogene Tectonic Evolution Controls on Sequence Stratigraphic Patterns in the Central Part of Deepwater Area of Qiongdongnan Basin, Northern South China Sea. Journal of Earth Science, 2014, 25(2). doi: 10.1007/s12583-014-0433-7

Paleogene Tectonic Evolution Controls on Sequence Stratigraphic Patterns in the Central Part of Deepwater Area of Qiongdongnan Basin, Northern South China Sea

doi: 10.1007/s12583-014-0433-7
  • Received Date: 2016-03-25
  • Rev Recd Date: 2016-03-25
  • Publish Date: 2016-03-25
  • In active rift basins, tectonism is extremely important for sequence stratigraphic patterns, affecting both the sequence architecture and internal makeup. Sequence stratigraphic framework of a Paleogene rift succession in Qiongdongnan Basin, northern South China Sea, was built using seismic profiles, complemented by well logs and cores. One first-order and three second-order sequences were identified on the basis of basin-scale unconformities, and seven third-order sequences are defined by unconformities along the basin margins and correlative conformities within the central basin. Through unconformity analysis and backstripping procedure, the Paleogene synrift tectonic evolution of deepwater area of Qiongdongnan Basin was proved to be episodic, which can be divided into rifting stage-I, rifting stage-II and rifting stage-III. Episodic rifting resulted in the formation of various types of structural slope break belts, which controlled different architectures and internal makeup of sequences. This study enhances the understanding of the control of tectonic evolution on sequence stratigraphic patterns and establishes relevant patterns in a typical rift basin, and further proposes the favorable sandstone reservoirs developing in different sequence stratigraphic patterns, which will be pretty helpful for subtle pool exploration in deepwater area of petroliferous basins.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Paleogene Tectonic Evolution Controls on Sequence Stratigraphic Patterns in the Central Part of Deepwater Area of Qiongdongnan Basin, Northern South China Sea

doi: 10.1007/s12583-014-0433-7

Abstract: In active rift basins, tectonism is extremely important for sequence stratigraphic patterns, affecting both the sequence architecture and internal makeup. Sequence stratigraphic framework of a Paleogene rift succession in Qiongdongnan Basin, northern South China Sea, was built using seismic profiles, complemented by well logs and cores. One first-order and three second-order sequences were identified on the basis of basin-scale unconformities, and seven third-order sequences are defined by unconformities along the basin margins and correlative conformities within the central basin. Through unconformity analysis and backstripping procedure, the Paleogene synrift tectonic evolution of deepwater area of Qiongdongnan Basin was proved to be episodic, which can be divided into rifting stage-I, rifting stage-II and rifting stage-III. Episodic rifting resulted in the formation of various types of structural slope break belts, which controlled different architectures and internal makeup of sequences. This study enhances the understanding of the control of tectonic evolution on sequence stratigraphic patterns and establishes relevant patterns in a typical rift basin, and further proposes the favorable sandstone reservoirs developing in different sequence stratigraphic patterns, which will be pretty helpful for subtle pool exploration in deepwater area of petroliferous basins.

Guangzeng Song;Hua Wang;Huajun Gan;Zhipeng Sun;Xiaolong Liu;Meng Xu;Jinfeng Ren;Ming Sun;Di Sun. Paleogene Tectonic Evolution Controls on Sequence Stratigraphic Patterns in the Central Part of Deepwater Area of Qiongdongnan Basin, Northern South China Sea. Journal of Earth Science, 2014, 25(2). doi: 10.1007/s12583-014-0433-7
Citation: Guangzeng Song;Hua Wang;Huajun Gan;Zhipeng Sun;Xiaolong Liu;Meng Xu;Jinfeng Ren;Ming Sun;Di Sun. Paleogene Tectonic Evolution Controls on Sequence Stratigraphic Patterns in the Central Part of Deepwater Area of Qiongdongnan Basin, Northern South China Sea. Journal of Earth Science, 2014, 25(2). doi: 10.1007/s12583-014-0433-7

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