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Synchronous Periadriatic magmatism in the Western and Central Alps in the absence of slab breakoff

文献类型：期刊论文

作者Ji, Wei-Qiang1; Malusa, Marco G.2; Tiepolo, Massimo3,4; Langone, Antonio4; Zhao, Liang1; Wu, Fu-Yuan1
刊名TERRA NOVA
出版日期2019-04-01
卷号31期号:2页码:120-128
ISSN号0954-4879
DOI10.1111/ter.12377
英文摘要Periadriatic Alpine magmatism has long been attributed to slab breakoff after Adria-Europe continental collision, but this interpretation is challenged by geophysical data suggesting the existence of a continuous slab. Here, we shed light on this issue based on a comprehensive dataset of zircon U-Pb ages and Hf isotopic compositions from the main western Periadriatic intrusives (from Traversella to Adamello). Our zircon U-Pb data provide the first evidence of Eocene magmatism in the Western Alps (42-41 Ma in Traversella), and demonstrate that magmatism started synchronously in different segments of the Alpine belt, when subduction was still active. Zircon U-Pb ages define younging trends perpendicular to the strike of the European slab, suggesting a progressive Eocene-Oligocene slab steepening. We propose that slab steepening enhanced the corner flow. This process was more effective near the torn edge of the European slab, and triggered Periadriatic magmatism in the absence of slab breakoff.
WOS关键词SOUTHERN ADAMELLO BATHOLITH ; KINEMATIC EVOLUTION ; BERGELL INTRUSION ; RAPID EXHUMATION ; TAUERN WINDOW ; EASTERN ALPS ; ALPINE ; ZIRCON ; CRYSTALLIZATION ; SUBDUCTION
资助项目National Key R&D Program of China[2016YFC0600407] ; National Science Foundation of China[41572055] ; International Partnership Program of the Chinese Academy of Sciences[GJHZ1776]
WOS研究方向Geology
语种英语
WOS记录号WOS:000461867700005
出版者WILEY
资助机构National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/91073]  
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Ji, Wei-Qiang; Malusa, Marco G.
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
2.Univ Milano Bicocca, Dept Earth & Environm Sci, Milan, Italy
3.Univ Milan, Dept Earth Sci, Milan, Italy
4.Univ Pavia, CNR, Ist Geosci & Georisorse, Pavia, Italy
推荐引用方式
GB/T 7714		 Ji, Wei-Qiang,Malusa, Marco G.,Tiepolo, Massimo,et al. Synchronous Periadriatic magmatism in the Western and Central Alps in the absence of slab breakoff[J]. TERRA NOVA,2019,31(2):120-128.
APA Ji, Wei-Qiang,Malusa, Marco G.,Tiepolo, Massimo,Langone, Antonio,Zhao, Liang,&Wu, Fu-Yuan.(2019).Synchronous Periadriatic magmatism in the Western and Central Alps in the absence of slab breakoff.TERRA NOVA,31(2),120-128.
MLA Ji, Wei-Qiang,et al."Synchronous Periadriatic magmatism in the Western and Central Alps in the absence of slab breakoff".TERRA NOVA 31.2(2019):120-128.

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来源：地质与地球物理研究所

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