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Seismic stratigraphy of the central South China Sea basin and implications for neotectonics
Li, Chun-Feng1; Li, Jiabiao2; Ding, Weiwei2; Franke, Dieter3; Yao, Yongjian4; Shi, Hesheng5; Pang, Xiong5; Cao, Ying1; Lin, Jian6; Kulhanek, Denise K.7; Williams, Trevor8; Bao, Rui9; Briais, Anne10; Brown, Elizabeth A.11; Chen, Yifeng12; Clift, Peter D.13,14; Colwell, Frederick S.15; Dadd, Kelsie A.16; Hernandez-Almeida, Ivan17; Huang, Xiao-Long18; Hyun, Sangmin19; Jiang, Tao20; Koppers, Anthony A. P.15; Li, Qianyu1; Liu, Chuanlian1; Liu, Qingsong21; Liu, Zhifei1; Nagai, Renata H.22; Peleo-Alampay, Alyssa23; Su, Xin24; Sun, Zhen25; Tejada, Maria Luisa G.26; Hai Son Trinh27; Yeh, Yi-Ching28; Zhang, Chuanlun1; Zhang, Fan6; Zhang, Guo-Liang29; Zhao, Xixi1
AbstractCoring/logging data and physical property measurements from International Ocean Discovery Program Expedition 349 are integrated with, and correlated to, reflection seismic data to map seismic sequence boundaries and facies of the central basin and neighboring regions of the South China Sea. First-order sequence boundaries are interpreted, which are Oligocene/Miocene, middle Miocene/late Miocene, Miocene/Pliocene, and Pliocene/Pleistocene boundaries. A characteristic early Pleistocene strong reflector is also identified, which marks the top of extensive carbonate-rich deposition in the southern East and Southwest Subbasins. The fossil spreading ridge and the boundary between the East and Southwest Subbasins acted as major sedimentary barriers, across which seismic facies changes sharply and cannot be easily correlated. The sharp seismic facies change along the Miocene-Pliocene boundary indicates that a dramatic regional tectonostratigraphic event occurred at about 5Ma, coeval with the onsets of uplift of Taiwan and accelerated subsidence and transgression in the northern margin. The depocenter or the area of the highest sedimentation rate switched from the northern East Subbasin during the Miocene to the Southwest Subbasin and the area close to the fossil ridge in the southern East Subbasin in the Pleistocene. The most active faulting and vertical uplifting now occur in the southern East Subbasin, caused most likely by the active and fastest subduction/obduction in the southern segment of the Manila Trench and the collision between the northeast Palawan and the Luzon arc. Timing of magmatic intrusions and seamounts constrained by seismic stratigraphy in the central basin varies and does not show temporal pulsing in their activities.
KeywordSouth China Sea Seismic Stratigraphy Seismic Facies Neotectonism Iodp Expedition 349 Core-well-seismic Integration
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WOS IDWOS:000353160200001
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Document Type期刊论文
Affiliation1.Tongji Univ, State Key Lab Marine Geol, Shanghai 200092, Peoples R China
2.State Ocean Adm, Key Lab Submarine Geosci, Inst Oceanog 2, Hangzhou, Zhejiang, Peoples R China
3.Fed Inst Geosci & Nat Resources, Hannover, Germany
4.Guangzhou Marine Geol Survey, Guangzhou, Guangdong, Peoples R China
5.China Natl Offshore Oil Co Ltd, Shenzhen Branch, Shenzhen, Peoples R China
6.Woods Hole Oceanog Inst, Woods Hole, MA 02543 USA
7.Texas A&M Univ, Int Ocean Discovery Program, College Stn, TX USA
8.Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY USA
9.Swiss Fed Inst Technol, Geologcal Inst, Zurich, Switzerland
10.Univ Toulouse, CNRS, Geosci Environm Toulouse, Toulouse, France
11.Univ S Florida, Coll Marine Sci, St Petersburg, FL 33701 USA
12.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Guangzhou, Guangdong, Peoples R China
13.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA
14.A&M Coll, Baton Rouge, LA USA
15.Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
16.Macquarie Univ, Dept Earth & Planetary Sci, N Ryde, NSW, Australia
17.Univ Bern, Inst Geog Oeschger Ctr Climate Change, Bern, Switzerland
18.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou, Guangdong, Peoples R China
19.Korea Inst Ocean Sci & Technol, Marine Environm & Conservat Res Div, Ansan, South Korea
20.China Univ Geosci, Fac Earth Resources, Dept Marine Sci & Engn, Wuhan 430074, Peoples R China
21.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing, Peoples R China
22.Univ Sao Paulo, Dept Phys Chem & Geol Oceanog, Sao Paulo, Brazil
23.Univ Philippines, Natl Inst Geol Sci, Quezon City 1101, Philippines
24.China Univ Geosci, Sch Marine Geosci, Beijing, Peoples R China
25.Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China
26.Japan Agcy Marine Earth Sci & Technol, Yokosuka, Kanagawa 2370061, Japan
27.Minist Nat Resources & Environm, Dept Sci & Technol, Hanoi, Vietnam
28.Taiwan Ocean Res Inst, Kaohsiung, Taiwan
29.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
Recommended Citation
GB/T 7714
Li, Chun-Feng,Li, Jiabiao,Ding, Weiwei,et al. Seismic stratigraphy of the central South China Sea basin and implications for neotectonics[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2015,120(3):1377-1399.
APA Li, Chun-Feng.,Li, Jiabiao.,Ding, Weiwei.,Franke, Dieter.,Yao, Yongjian.,...&Zhao, Xixi.(2015).Seismic stratigraphy of the central South China Sea basin and implications for neotectonics.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,120(3),1377-1399.
MLA Li, Chun-Feng,et al."Seismic stratigraphy of the central South China Sea basin and implications for neotectonics".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 120.3(2015):1377-1399.
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