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Tectonic and sedimentary evolution of the late Miocene-Pleistocene Dali Basin in the southeast margin of the Tibetan Plateau: Evidences from anisotropy of magnetic susceptibility and rock magnetic data

文献类型：期刊论文

作者Li, Shihu1; Deng, Chenglong1; Paterson, Greig A.2; Yao, Haitao3; Huang, Sheng1; Liu, Chengying1; He, Huaiyu2; Pan, Yongxin2; Zhu, Rixiang1
刊名TECTONOPHYSICS
出版日期2014-08-26
卷号629页码:362-377
关键词Anisotropy of magnetic susceptibility Dali Basin Southeast margin of the Tibetan Plateau Dali fault system
ISSN号0040-1951
DOI10.1016/j.tecto.2014.05.035
文献子类Article
英文摘要The Cenozoic Dali Basin, located at the northeast of Diancang Shan and south of the first bend of Yangtze River, is tectonically controlled by the Dali fault system in the southeast margin of the Tibetan Plateau. The basin is filled with late Miocene to Pleistocene fluviolacustrine sediments, which provide invaluable information about the tectonic deformation and drainage network reorganization in this area. In this study, we discuss the anisotropy of magnetic susceptibility (AMS) of the Dasongping section in the Dali Basin, which spans an interval from 7.6 to 1.8 Ma. Although rock magnetic experiments indicate that magnetite and hematite are the main remanence carriers, hysteresis loops, low values of bulk susceptibility and low temperature susceptibility suggest that paramagnetic minerals are major contributors to low-field AMS. The rock magnetic parameters indicate that the Dali Basin experienced four stages of infilling and the sediment sources may have changed at 4.2 Ma. The clustering of the minimum principle axes (K-min) nearly perpendicular to the bedding plane and the pronounced N-S magnetic lineation parallel to the bedding plane indicate that the AMS of the Dali Basin is a superimposed fabric consisting of a sedimentary-compaction and a mild initial deformation overprint. The well-defined N-S magnetic lineation is likely due to the NNW and NNE oblique shear caused by the Heqing and Red River faults. (C) 2014 Elsevier B.V. All rights reserved.
WOS关键词LOWER-CRUSTAL FLOW ; SHEAR ZONE ; RED-RIVER ; UNDEFORMED CLAYS ; TARIM BASIN ; EXTENSIONAL TECTONICS ; NEUTRON TEXTURE ; CENOZOIC UPLIFT ; WESTERN YUNNAN ; SURFACE UPLIFT
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000341474600029
出版者ELSEVIER SCIENCE BV
资助机构China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; 41274073 ; 41274073 ; 41274073 ; 41274073 ; 40925012 ; 40925012 ; 40925012 ; 40925012 ; 41174054) ; 41174054) ; 41174054) ; 41174054) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; 41274073 ; 41274073 ; 41274073 ; 41274073 ; 40925012 ; 40925012 ; 40925012 ; 40925012 ; 41174054) ; 41174054) ; 41174054) ; 41174054) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; 41274073 ; 41274073 ; 41274073 ; 41274073 ; 40925012 ; 40925012 ; 40925012 ; 40925012 ; 41174054) ; 41174054) ; 41174054) ; 41174054) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; National Key Basic Research Program of China(2012CB821900) ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; Chinese Academy of Sciences(KZCX2-YW-Q05-02 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; National Natural Science Foundation of China(20811240 ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; KZCX2-EW-117) ; 41274073 ; 41274073 ; 41274073 ; 41274073 ; 40925012 ; 40925012 ; 40925012 ; 40925012 ; 41174054) ; 41174054) ; 41174054) ; 41174054)
源URL[http://ir.iggcas.ac.cn/handle/132A11/86346]  
专题中国科学院地质与地球物理研究所
通讯作者Li, Shihu
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Chinese Acad Geol Sci, Inst Geomech, Beijing 100081, Peoples R China
推荐引用方式
GB/T 7714		 Li, Shihu,Deng, Chenglong,Paterson, Greig A.,et al. Tectonic and sedimentary evolution of the late Miocene-Pleistocene Dali Basin in the southeast margin of the Tibetan Plateau: Evidences from anisotropy of magnetic susceptibility and rock magnetic data[J]. TECTONOPHYSICS,2014,629:362-377.
APA Li, Shihu.,Deng, Chenglong.,Paterson, Greig A..,Yao, Haitao.,Huang, Sheng.,...&Zhu, Rixiang.(2014).Tectonic and sedimentary evolution of the late Miocene-Pleistocene Dali Basin in the southeast margin of the Tibetan Plateau: Evidences from anisotropy of magnetic susceptibility and rock magnetic data.TECTONOPHYSICS,629,362-377.
MLA Li, Shihu,et al."Tectonic and sedimentary evolution of the late Miocene-Pleistocene Dali Basin in the southeast margin of the Tibetan Plateau: Evidences from anisotropy of magnetic susceptibility and rock magnetic data".TECTONOPHYSICS 629(2014):362-377.

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来源：地质与地球物理研究所

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