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Magnetostratigraphy of Cenozoic deposits in the western QaidamBasin and its implication for the surface uplift of the northeasternmargin of the Tibetan Plateau
Chang,H(Chang,Hong)[1]; Li,LY(Li,Leyi)[1]; Qiang,XK(Qiang,Xiaoke)[1]; Garzione,CN.(Garzione,Carmala N.)[2]; Pullen,A(Pullen,Alexander)[2]; An,ZS(An,Zhisheng)[1]
2015
Source PublicationEarth and Planetary Science Letters
Volume430Pages:271-283
Subtype期刊论文
Abstract

Thick Cenozoic deposits in the northwestern Qaidam Basin record erosion of the Altyn Tagh and high terrain west of that basin and presumably the concurrent growth of the northeastern Tibetan Plateau. A detailed magnetostratigraphic study of the Huatugou section, northwestern Qaidam basin, reveals that this section spans the period from ∼30 to ∼11 Ma. Magnetostratigraphic and sedimentological studies indicate that the accumulation rate abruptly increased near ∼15 Ma. The acceleration in sedimentation rate suggests enhanced tectonic deformation in the Qaidam basin since 15 Ma that may have begun simultaneously with accelerated deformation along the Altyn Tagh, Kunlun, and Haiyuan faults, which contributed to the growth history of the Qaidam basin and its surroundings since ∼15 Ma.

KeywordQaidam Basin Altyn Tagh Fault Tectonic Uplift Magnetostratigraphy Huatugou Section Accumulation Rate
DOI10.1016/j.epsl.2015.08.029
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9486
Collection古环境研究室
Affiliation1.State Key Laboratory of Loess and Geology, Institute of Earth Environment, Chinese Academy of Sciences, China;
2.Department of Earth & Environmental Sciences University of Rochester, Rochester, NY, USA
Recommended Citation
GB/T 7714
Chang,H,Li,LY,Qiang,XK,et al. Magnetostratigraphy of Cenozoic deposits in the western QaidamBasin and its implication for the surface uplift of the northeasternmargin of the Tibetan Plateau[J]. Earth and Planetary Science Letters,2015,430:271-283.
APA Chang,H,Li,LY,Qiang,XK,Garzione,CN.,Pullen,A,&An,ZS.(2015).Magnetostratigraphy of Cenozoic deposits in the western QaidamBasin and its implication for the surface uplift of the northeasternmargin of the Tibetan Plateau.Earth and Planetary Science Letters,430,271-283.
MLA Chang,H,et al."Magnetostratigraphy of Cenozoic deposits in the western QaidamBasin and its implication for the surface uplift of the northeasternmargin of the Tibetan Plateau".Earth and Planetary Science Letters 430(2015):271-283.
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