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Does Large-Scale Crustal Flow Shape the Eastern Margin of the Tibetan Plateau? Insights From Episodic Magmatism of Gongga-Zheduo Granitic Massif

文献类型：期刊论文

作者Hu, Fangyang3,5,7; Wu, Fu-Yuan2,7,8; Ducea, Mihai N.1,3; Chapman, James B.6; Yang, Lei4
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2022-06-28
卷号49期号:12页码:13
ISSN号0094-8276
关键词Gongga-Zheduo granitic rocks eastern Tibetan Plateau Cenozoic crustal flow
DOI10.1029/2022GL098756
英文摘要The mechanisms driving crustal deformation and uplift of orogenic plateaus are fundamental to continental tectonics. Large-scale crustal flow has been hypothesized to occur in eastern Tibet, but it remains controversial due to a lack of geologic evidence. Geochemical and isotopic data from Cenozoic igneous rocks in the eastern Tibet-Gongga-Zheduo intrusive massif, provide a way to test this model. Modeling results suggest that Cenozoic magmas originated at depths of similar to 30-40 km, the depth that crustal flow has been postulated to occur at. Detailed isotopic analyses indicate that the igneous rocks are derived from partial melting of the local Songpan-Ganzi crust, arguing against a long-distance crustal flow. Episodic magmatism during the Cenozoic showing a repeated shifting of magmatic sources can be correlated with crustal uplift. The continued indentation of the Indian Block and upwelling of the asthenosphere contribute to the crustal deformation, magmatism, and uplift.
WOS关键词XIANSHUIHE FAULT ZONE ; SONGPAN-GANZI FLYSCH ; U-TH-PB ; LU-HF ; ZIRCON MEGACRYSTS ; TRACE-ELEMENT ; MANTLE WEDGE ; DUCTILE FLOW ; EXPERIMENTAL CONSTRAINTS ; ISOTOPIC COMPOSITIONS
资助项目National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41902055] ; China Postdoctoral Science Foundation[2018M640177] ; U.S. National Science Foundation[EAR-1725002] ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project[PN-III-P4-ID-PCCF-2016-0014]
WOS研究方向Geology
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:000816435300001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding project
源URL[http://ir.iggcas.ac.cn/handle/132A11/105898]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
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Hu, Fangyang
作者单位1.Univ Bucharest, Fac Geol & Geophys, Bucharest, Romania
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
3.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA
4.Chengdu Univ Technol, Coll Earth Sci, Chengdu, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing, Peoples R China
6.Univ Wyoming, Dept Geol & Geophys, Laramie, WY 82071 USA
7.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
8.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Hu, Fangyang,Wu, Fu-Yuan,Ducea, Mihai N.,et al. Does Large-Scale Crustal Flow Shape the Eastern Margin of the Tibetan Plateau? Insights From Episodic Magmatism of Gongga-Zheduo Granitic Massif[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(12):13.
APA Hu, Fangyang,Wu, Fu-Yuan,Ducea, Mihai N.,Chapman, James B.,&Yang, Lei.(2022).Does Large-Scale Crustal Flow Shape the Eastern Margin of the Tibetan Plateau? Insights From Episodic Magmatism of Gongga-Zheduo Granitic Massif.GEOPHYSICAL RESEARCH LETTERS,49(12),13.
MLA Hu, Fangyang,et al."Does Large-Scale Crustal Flow Shape the Eastern Margin of the Tibetan Plateau? Insights From Episodic Magmatism of Gongga-Zheduo Granitic Massif".GEOPHYSICAL RESEARCH LETTERS 49.12(2022):13.

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来源：地质与地球物理研究所

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