| 南海北部新生代构造迁移的特征、动力学机制及对油气成藏的影响 |
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| 作者姓名： | YIN Zhengxin CAI Zhourong WAN Zhifeng LYU Baofeng |
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| 作者单位： | School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China;Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Guangzhou 510006, China;Key Laboratory of Offshore Oil Exploration and development of Guangdong Higher Education Institutes, Guangzhou 510006, China,School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China;Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Guangzhou 510006, China;Key Laboratory of Offshore Oil Exploration and development of Guangdong Higher Education Institutes, Guangzhou 510006, China,School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China;Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Guangzhou 510006, China;Key Laboratory of Offshore Oil Exploration and development of Guangdong Higher Education Institutes, Guangzhou 510006, China,School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China;Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Guangzhou 510006, China;Key Laboratory of Offshore Oil Exploration and development of Guangdong Higher Education Institutes, Guangzhou 510006, China |
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| 基金项目： | The National Natural Science Foundation of China under contract No. 4106035; the Project of Geological and Geophysical Maps in China's Seas and Its Adjacent Regions under contract No. GZH200900504. |
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| 摘 要： | The northern continental margin of the South China Sea(SCS) is located within the tectonic system of Southeast Asia, an area with a great deal of tectonic migration due to the regional tectonic movements. The available geological and geophysical data of the area are comprehensively analyzed in order to demonstrate the typical migration patterns of the Cenozoic tectonics in the northern SCS caused by the episodes of the Cenozoic tectonic movement. Furthermore, the lateral variation characteristics of the strata and the different evolution patterns of the main basins’ features are assessed. It primarily focus on:(1) the Cenozoic episodic rifting from north to south in the continental margin of the northern SCS;(2) the rifting and depression time of the main basins progressively become younger as one goes from north to south, signifying that the migration of both the tectonics and the sediments within the northern SCS travelled from north to south during the Cenozoic; and(3) the lateral tectonic migration on the direction of EW is not regular in total, but in some local areas the trending of the tectonic migration is from west to east. The analysis of the tectonic migration features of the northern SCS, in combination with the regional tectonic evolution background, indicates that the observed remote lagging effect, resulted from the India-Eurasia plate collision, is the main dynamic mechanism involved in the tectonic migration within the northern SCS. The tectonic migration has significant influence on both the organization of petroleum deposits and on the hydrocarbon accumulation within the basins in the northern SCS; comprehensive understanding of this dynamic system is of great reference value in predicting the hydrocarbon accumulation and has the potential to have an enormous impact in discovering new deep reservoirs for the future oil-gas exploration.
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| 关 键 词： | tectonic migration Cenozoic hydrocarbon accumulation northern South China Sea |
| 收稿时间： | 2013/12/3 0:00:00 |
| 修稿时间： | 9/7/2014 12:00:00 AM |
Features and dynamic mechanisms of Cenozoic tectonic migration and its impact on the hydrocarbon accumulation in the northern South China Sea |
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| YIN Zhengxin,CAI Zhourong,WAN Zhifeng,LYU Baofeng.Features and dynamic mechanisms of Cenozoic tectonic migration and its impact on the hydrocarbon accumulation in the northern South China Sea[J].Acta Oceanologica Sinica,2015,34(1):100-109. |
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| Authors: | YIN Zhengxin CAI Zhourong WAN Zhifeng and LYU Baofeng |
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| Institution: | School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China;Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Guangzhou 510006, China;Key Laboratory of Offshore Oil Exploration and development of Guangdong Higher Education Institutes, Guangzhou 510006, China |
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| Abstract: | The northern continental margin of the South China Sea (SCS) is located within the tectonic system of Southeast Asia, an area with a great deal of tectonic migration due to the regional tectonic movements. The available geological and geophysical data of the area are comprehensively analyzed in order to demonstrate the typical migration patterns of the Cenozoic tectonics in the northern SCS caused by the episodes of the Cenozoic tectonic movement. Furthermore, the lateral variation characteristics of the strata and the different evolution patterns of the main basins' features are assessed. It primarily focus on: (1) the Cenozoic episodic rifting from north to south in the continental margin of the northern SCS; (2) the rifting and depression time of the main basins progressively become younger as one goes from north to south, signifying that the migration of both the tectonics and the sediments within the northern SCS travelled from north to south during the Cenozoic; and (3) the lateral tectonic migration on the direction of EW is not regular in total, but in some local areas the trending of the tectonic migration is from west to east. The analysis of the tectonic migration features of the northern SCS, in combination with the regional tectonic evolution background, indicates that the observed remote lagging effect, resulted from the India-Eurasia plate collision, is the main dynamic mechanism involved in the tectonic migration within the northern SCS. The tectonic migration has significant influence on both the organization of petroleum deposits and on the hydrocarbon accumulation within the basins in the northern SCS; comprehensive understanding of this dynamic system is of great reference value in predicting the hydrocarbon accumulation and has the potential to have an enormous impact in discovering new deep reservoirs for the future oil-gas exploration. |
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| Keywords: | tectonic migration Cenozoic hydrocarbon accumulation northern South China Sea |
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