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Plio-Pleistocene magnetostratigraphy of northern Bohai Bay and its implications for tectonic events since ca. 2.0 Ma

文献类型：期刊论文

作者Xu, Qinmian1; Yuan, Guibang1; Yang, Jilong1; Xin, Houtian1; Yi, Liang2; Deng, Chenglong2,3
刊名JOURNAL OF GEODYNAMICS
出版日期2017-11-01
卷号111页码:1-14
关键词Northern Bohai Bay Plio-pleistocene Magnetostratigraphy Tectonic Events Wnw-orientated Tectonics
ISSN号0264-3707
DOI10.1016/j.jog.2017.08.002
文献子类Article
英文摘要The sediments of Bohai Bay Basin in North China have recorded the processes of basin filling and structural evolution, which may have resulted from the destruction of the North China Craton during the late Mesozoic and early Cenozoic. However, the absence of a reliable chronostratigraphic framework for the sedimentary sequences in the basin has prevented a comprehensive understanding of these processes. In this study, we combine paleomagnetic and sedimentary analyses of the sediments from two new boreholes (NY05 and TZ02) from northern Bohai Bay to provide new insights into the sedimentary history and regional tectonic processes since the Pliocene. The main findings are as follows: (1) Magnetite and hematite are the main carriers of the characteristic remanent magnetization. (2) The boreholes record the Brunhes and Gauss normal chrons, and the Matuyama reversed chron. (3) Subsidence-related differences in the depths of the Matuyama/Brunhes (M/B) and Gauss/Matuyama (G/M) boundaries, sediment accumulation rates, and the sedimentary environments of the different tectonic units, enable us to identify that tectonic movements started in the Olduvai normal subchron and the development of the WNW-orientated tectonic features were intensified. (4) In the Huanghua depression, comparative analysis of subsidence-related differences between western and northern Bohai Bay indicates that the subsidence of the northern Bohai Bay may have been superimposed on the WNW-orientated tectonic activity and faulting associated with the collision between the Indian and the Eurasian Plates, in the context of localized subsidence.
WOS关键词TEMPERATURE-DEPENDENT SUSCEPTIBILITY ; CHINESE LOESS PLATEAU ; EASTERN CHINA ; RIVER DELTA ; SEA ; DESTRUCTION ; VARIABILITY ; EVOLUTION ; MAGNETISM ; BOREHOLE
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000414815100001
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构China Geological Survey Project(12120114007801 ; China Geological Survey Project(12120114007801 ; National Natural Science Foundation of China(41690112 ; National Natural Science Foundation of China(41690112 ; 1212011120746 ; 1212011120746 ; 41621004) ; 41621004) ; DD2016042) ; DD2016042) ; China Geological Survey Project(12120114007801 ; China Geological Survey Project(12120114007801 ; National Natural Science Foundation of China(41690112 ; National Natural Science Foundation of China(41690112 ; 1212011120746 ; 1212011120746 ; 41621004) ; 41621004) ; DD2016042) ; DD2016042) ; China Geological Survey Project(12120114007801 ; China Geological Survey Project(12120114007801 ; National Natural Science Foundation of China(41690112 ; National Natural Science Foundation of China(41690112 ; 1212011120746 ; 1212011120746 ; 41621004) ; 41621004) ; DD2016042) ; DD2016042) ; China Geological Survey Project(12120114007801 ; China Geological Survey Project(12120114007801 ; National Natural Science Foundation of China(41690112 ; National Natural Science Foundation of China(41690112 ; 1212011120746 ; 1212011120746 ; 41621004) ; 41621004) ; DD2016042) ; DD2016042)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62434]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Xu, Qinmian; Deng, Chenglong
作者单位1.China Geol Survey, Tianjin Ctr, Tianjin 300170, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 10029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Qinmian,Yuan, Guibang,Yang, Jilong,et al. Plio-Pleistocene magnetostratigraphy of northern Bohai Bay and its implications for tectonic events since ca. 2.0 Ma[J]. JOURNAL OF GEODYNAMICS,2017,111:1-14.
APA Xu, Qinmian,Yuan, Guibang,Yang, Jilong,Xin, Houtian,Yi, Liang,&Deng, Chenglong.(2017).Plio-Pleistocene magnetostratigraphy of northern Bohai Bay and its implications for tectonic events since ca. 2.0 Ma.JOURNAL OF GEODYNAMICS,111,1-14.
MLA Xu, Qinmian,et al."Plio-Pleistocene magnetostratigraphy of northern Bohai Bay and its implications for tectonic events since ca. 2.0 Ma".JOURNAL OF GEODYNAMICS 111(2017):1-14.

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来源：地质与地球物理研究所

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