| Tectonic Evolution and Dynamics of Deepwater Area of Pearl River Mouth Basin, Northern South China Sea | |
| Dong Dongdong1,2; Zhang Gongcheng3; Zhong Kai3; Yuan Shengqiang1,4; Wu Shiguo1,5 | |
| 2009-02-01 | |
| 发表期刊 | JOURNAL OF EARTH SCIENCE
 |
| ISSN | 1674-487X |
| 卷号 | 20期号:1页码:147-159 |
| 文章类型 | Article |
| 摘要 | Quantitative studies on the evolution and dynamics of the deepwater area of Pearl River Mouth basin (PRMB) were carried out based on the latest geological and seismic data. The study area is generally in an extensional state during the Cenozoic. The major extension happened in the earlier syn-rift stages before 23 Ma and the extension after 23 Ma is negligible. Two rapid subsidence periods, 32-23 Ma and 5.3-2.6 Ma, are identified, which are related to the abrupt heat decay during margin breakup and the collision between the Philippine Sea plate and the Eurasian plate, respectively. The strongest crustal thinning in the Baiyun (sic) sag may trigger the syn-rift volcanism along the weak faulted belt around the sag. The Cenozoic tectonic evolution of the study area could be divided into five stages: rifting (similar to 50-40 Ma), rift-drift transition (similar to 40-32 Ma), early post-breakup (similar to 32-23 Ma), thermal subsidence (similar to 23-5.3 Ma) and neotectonic movement (similar to 5.3-0 Ma).; Quantitative studies on the evolution and dynamics of the deepwater area of Pearl River Mouth basin (PRMB) were carried out based on the latest geological and seismic data. The study area is generally in an extensional state during the Cenozoic. The major extension happened in the earlier syn-rift stages before 23 Ma and the extension after 23 Ma is negligible. Two rapid subsidence periods, 32-23 Ma and 5.3-2.6 Ma, are identified, which are related to the abrupt heat decay during margin breakup and the collision between the Philippine Sea plate and the Eurasian plate, respectively. The strongest crustal thinning in the Baiyun (sic) sag may trigger the syn-rift volcanism along the weak faulted belt around the sag. The Cenozoic tectonic evolution of the study area could be divided into five stages: rifting (similar to 50-40 Ma), rift-drift transition (similar to 40-32 Ma), early post-breakup (similar to 32-23 Ma), thermal subsidence (similar to 23-5.3 Ma) and neotectonic movement (similar to 5.3-0 Ma). |
| 关键词 | Pearl River Mouth Basin South China Sea Tectonic Evolution Dynamic Mechanism Stretching Factor |
| 学科领域 | Geosciences, Multidisciplinary |
| DOI | 10.1007/s12583-009-0016-1 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000264753800015 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/3664 |
| 专题 | 海洋地质与环境重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, CAS Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China 3.CNOOC Res Ctr, Beijing 100027, Peoples R China 4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 5.China Univ Petr, Coll Georesource & Informat, Qingdao 266555, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Dong Dongdong,Zhang Gongcheng,Zhong Kai,et al. Tectonic Evolution and Dynamics of Deepwater Area of Pearl River Mouth Basin, Northern South China Sea[J]. JOURNAL OF EARTH SCIENCE,2009,20(1):147-159. |
| APA | Dong Dongdong,Zhang Gongcheng,Zhong Kai,Yuan Shengqiang,&Wu Shiguo.(2009).Tectonic Evolution and Dynamics of Deepwater Area of Pearl River Mouth Basin, Northern South China Sea.JOURNAL OF EARTH SCIENCE,20(1),147-159. |
| MLA | Dong Dongdong,et al."Tectonic Evolution and Dynamics of Deepwater Area of Pearl River Mouth Basin, Northern South China Sea".JOURNAL OF EARTH SCIENCE 20.1(2009):147-159. |
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