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Magnetostratigraphy and luminescence dating on a sedimentary sequence from northern East China Sea: Constraints on evolutionary history of eastern marginal seas of China since the Early Pleistocene
Yi, L (Yi, Liang)[ 1,3 ]; Ye, XY (Ye, Xingyong)[ 2 ]; Chen, JB (Chen, Junbing)[ 2 ]; Li, Y (Li, Yan)[ 4 ]; Long, H (Long, Hao)[ 5 ]; Wang, XL (Wang, Xulong)[ 6 ]; Du, JH (Du, Jinhua)[ 6 ]; Zhao, SL (Zhao, Songling)[ 7 ]; Deng, CL (Deng, Chenglong)[ 1 ]
2014-10-28
发表期刊QUATERNARY INTERNATIONAL
卷号349页码:316-326
文章类型期刊论文
摘要

Owing to the large and increasing population density in low-lying coastal regions, even small changes in sea level can have substantial societal and economic impacts. Alternations of terrestrial and marine sediments deposited in coastal areas or continental shelves are important and effective indicators of sea-level changes, and thus, have been widely studied in the marginal seas of China over the past 30 years. However, sea-level change results from not only eustatic factors but also tectonic activity. The Zhe-Min (or Zhejiang-Fujian) Uplift (ZMU) was such an important factor in geomorphology, and formed a barrier preventing entry of sea water into the northern marginal seas of China, but its Quaternary history is poorly known. In this study, a new borehole (ECS-DZ1) was drilled in the Zhoushan Islands, northern East China Sea to obtain information on the evolution of the ZMU during the Quaternary. Information from paleomagnetic and luminescence dating was combined with data on sedimentary changes. The main results are: (1) constrained by luminescence ages, the upper sedimentary units were extrapolated to have been deposited since similar to 0.2 Ma; (2) paleomagnetic results suggest that the ECS-DZ1 borehole sequence spans from the pre-Olduvai Matuyama reverse chron to the Brunhes normal chron, approximately constraining the age of the basal sedimentary unit to similar to 2.0 Ma; (3) a significant hiatus or erosion between two major sedimentary units possibly occurred between the late Early Pleistocene and Middle Pleistocene. As the Zhoushan Islands are within the ZMU and considering previous transgression studies around this region, it is inferred that the ZMU subsided at similar to 2.0 Ma, allowing seawater to invade northward in the Yellow Sea basin. The ZMU might have been uplifted again no later than 1.0 Ma, causing a sedimentary hiatus or lacustrine development. After similar to 0.2 Ma, the ZMU subsided completely, allowing large transgressions to develop across the northern marginal seas of China in the context of global sea-level changes.

关键词East China Sea Zhe-min (Zhejiangefujian) Uplift Quaternary Magnetostratigraphy Luminescence Dating
DOI10.1016/j.quaint.2014.07.038
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9834
专题现代环境研究室
通讯作者Yi, L (Yi, Liang)[ 1,3 ]
作者单位1.State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;
2.Zhejiang Institute of Hydrogeology and Engineering Geology, Ningbo 315012, China;
3.MSG Group, Sanya Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China;
4.School of Ocean Sciences, China University of Geosciences, Beijing 100083, China;
5.State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences,Nanjing 210008, China;
6.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
7.Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
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GB/T 7714
Yi, L ,Ye, XY ,Chen, JB ,et al. Magnetostratigraphy and luminescence dating on a sedimentary sequence from northern East China Sea: Constraints on evolutionary history of eastern marginal seas of China since the Early Pleistocene[J]. QUATERNARY INTERNATIONAL,2014,349:316-326.
APA Yi, L .,Ye, XY .,Chen, JB .,Li, Y .,Long, H .,...&Deng, CL .(2014).Magnetostratigraphy and luminescence dating on a sedimentary sequence from northern East China Sea: Constraints on evolutionary history of eastern marginal seas of China since the Early Pleistocene.QUATERNARY INTERNATIONAL,349,316-326.
MLA Yi, L ,et al."Magnetostratigraphy and luminescence dating on a sedimentary sequence from northern East China Sea: Constraints on evolutionary history of eastern marginal seas of China since the Early Pleistocene".QUATERNARY INTERNATIONAL 349(2014):316-326.
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