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A Cenozoic tectono-sedimentary model of the Tainan Basin, the South China Sea: evidence from a multi-channel seismic profile
Ding, WW; Li, JB; Li, MB; Qiu, XL; Fang, YX; Tang, Y; wwdingsio@yahoo.com.cn
2008
发表期刊JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
ISSN1673-565X
卷号9期号:5页码:702-713
摘要The Tainan Basin is one of the set of Cenozoic extensional basins along northern margin of the South China Sea that experienced extension and subsequently thermal subsidence. The Tainan Basin is close to the Taiwan Arc-Trench System and straddles a transition zone between oceanic and continental crust. A new regional multi-channel seismic profile (973-01) across the region of NE South China Sea is introduced in this paper. In seismic stratigraphy and structural geology, a model of Cenozoic tectono-sedimentat ion of the Taman Basin is established. The results show that three stages can be suggested in Tainan Basin; In Stage A (Oligocene (?)-Lower Miocene) the stratigraphy shows restricted rifting, indicating crustal extension. Terrestrial sediments mostly filled. the faulted sags of the North Depression on the continental shelf. Structural highs, including the Central Uplift, blocked material transportation to the South Depression in abyssal basin. In Stage B the Tainan Basin (Middle-Upper Miocene) exhibits a broad subsidence resulting from the post-rifting thermal cooling. The faulted-sags in North Depression had been filled up. Terrestrial materials were transported over the structural highs and deposited directly in the South Depression through submarine gullies or canyons. This sedimentation resulted in a crucial change in the slope to a modem shape. In Stage C (Latest Miocene-Recent) a phase change from extension to compression took place due to the orogeny caused by the overthrusting of the Luzon volcanic arc. Many inverse structures, such as thrusts, fault bend folds, and a regional unconformity were formed. Forland basin began developing.
部门归属[Ding, Wei-wei; Li, Jia-biao; Li, Ming-bi; Fang, Yin-xia; Tang, Yong] State Ocean Adm, Key Lab Submarine Geosci, Hangzhou 310012, Zhejiang, Peoples R China; [Ding, Wei-wei; Li, Jia-biao; Li, Ming-bi; Fang, Yin-xia; Tang, Yong] State Ocean Adm, Inst Oceanog 2, Hangzhou 310012, Zhejiang, Peoples R China; [Ding, Wei-wei; Qiu, Xue-lin] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marg Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
关键词Southwest Tainan Basin Dual-layered Structure Fault Bend Fold Tectono-sedimentary Evolution
学科领域Engineering, Multidisciplinary ; Physics, Applied
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000256024900015
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4550
专题中科院边缘海地质重点实验室
通讯作者wwdingsio@yahoo.com.cn
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GB/T 7714
Ding, WW,Li, JB,Li, MB,et al. A Cenozoic tectono-sedimentary model of the Tainan Basin, the South China Sea: evidence from a multi-channel seismic profile[J]. JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A,2008,9(5):702-713.
APA Ding, WW.,Li, JB.,Li, MB.,Qiu, XL.,Fang, YX.,...&wwdingsio@yahoo.com.cn.(2008).A Cenozoic tectono-sedimentary model of the Tainan Basin, the South China Sea: evidence from a multi-channel seismic profile.JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A,9(5),702-713.
MLA Ding, WW,et al."A Cenozoic tectono-sedimentary model of the Tainan Basin, the South China Sea: evidence from a multi-channel seismic profile".JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A 9.5(2008):702-713.
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