中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Cenozoic lithospheric evolution of the Bohai Bay Basin, eastern North China Craton: Constraint from tectono-thermal modeling

文献类型:期刊论文

作者Liu, Qiongying1,2; He, Lijuan1; Huang, Fang3; Zhang, Linyou1,2
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2016
卷号115页码:368-382
关键词Bohai Bay Basin Cenozoic Tectono-thermal modeling Lithospheric evolution North China Craton destruction
DOI10.1016/j.jseaes.2015.10.013
文献子类Article
英文摘要It is well established that the lithosphere beneath the eastern North China Craton (NCC) had been thinned before the Cenozoit. A 2D multi-phase extension model, in which the initial crustal and lithospheric thicknesses are variable, is presented to reconstruct the initial thicknesses of the crust and lithosphere in the early Cenozoic and to further investigate the lithospheric evolution beneath the eastern NCC through the Cenozoic. We conduct thermal modeling along three profiles from east to west in the Bohai Bay Basin, which is the center of the lithospheric destruction and thinning of the NCC. Using multiple constraints, such as tectonic subsidence, the present-day heat flow and the Moho depth, we determine the initial crustal and lithospheric thicknesses of the Bohai Bay Basin before the Cenozoic rift to be 33-36 km and 80-105 km, respectively. The model results show that the most rapid lithospheric thinning during the Cenozoic occurred in the middle Eocene for most depressions, and the thinning activity ceased at the end of the Oligocene, reaching a minimum lithospheric thickness of 53-74 km, followed by a thermal relaxation phase. Combined with previous studies, we infer that the lithosphere beneath the eastern NCC experienced two stages of alternating thinning and thickening: notable thinning in the Early Cretaceous and Paleogene, and thickening in the Late Cretaceous and late Cenozoic. We believe that thermo-chemical erosion, together with extension, was probably the major mechanism of the significant lithospheric removal during the Mesozoic, whereas the Cenozoic lithospheric thinning was mainly dominated by tectonic extension in the eastern NCC; lithospheric thickening was generally a result of thermal cooling. (c) 2015 Elsevier Ltd. All rights reserved.
WOS关键词SINO-KOREAN CRATON ; HEAT-FLOW ; DYNAMIC TOPOGRAPHY ; SEDIMENTARY BASINS ; THERMAL HISTORY ; HYDROTHERMAL CIRCULATION ; PERIDOTITIC XENOLITHS ; TECTONIC SUBSIDENCE ; GEOTHERMAL EVIDENCE ; NORTHEASTERN CHINA
WOS研究方向Geology
语种英语
WOS记录号WOS:000367862300027
资助机构National Natural Science Foundation of China(41574075 ; National Natural Science Foundation of China(41574075 ; National Natural Science Foundation of China(41574075 ; National Natural Science Foundation of China(41574075 ; 91114202) ; 91114202) ; 91114202) ; 91114202) ; National Natural Science Foundation of China(41574075 ; National Natural Science Foundation of China(41574075 ; National Natural Science Foundation of China(41574075 ; National Natural Science Foundation of China(41574075 ; 91114202) ; 91114202) ; 91114202) ; 91114202)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62118]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China Earthquake Adm, Inst Geophys, Beijing 100081, Peoples R China
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Liu, Qiongying,He, Lijuan,Huang, Fang,et al. Cenozoic lithospheric evolution of the Bohai Bay Basin, eastern North China Craton: Constraint from tectono-thermal modeling[J]. JOURNAL OF ASIAN EARTH SCIENCES,2016,115:368-382.
APA Liu, Qiongying,He, Lijuan,Huang, Fang,&Zhang, Linyou.(2016).Cenozoic lithospheric evolution of the Bohai Bay Basin, eastern North China Craton: Constraint from tectono-thermal modeling.JOURNAL OF ASIAN EARTH SCIENCES,115,368-382.
MLA Liu, Qiongying,et al."Cenozoic lithospheric evolution of the Bohai Bay Basin, eastern North China Craton: Constraint from tectono-thermal modeling".JOURNAL OF ASIAN EARTH SCIENCES 115(2016):368-382.

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来源:地质与地球物理研究所

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