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Synchronous Periadriatic magmatism in the Western and Central Alps in the absence of slab breakoff
Ji, Wei-Qiang1; Malusa, Marco G.2; Tiepolo, Massimo3,4; Langone, Antonio4; Zhao, Liang1; Wu, Fu-Yuan1
2019-04-01
Source PublicationTERRA NOVA
ISSN0954-4879
Volume31Issue:2Pages:120-128
AbstractPeriadriatic 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.
DOI10.1111/ter.12377
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program 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 ; National Key R&D Program of China ; National Key R&D Program 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 ; National Key R&D Program of China ; National Key R&D Program 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 ; National Key R&D Program of China ; National Key R&D Program 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
WOS KeywordSOUTHERN ADAMELLO BATHOLITH ; KINEMATIC EVOLUTION ; BERGELL INTRUSION ; RAPID EXHUMATION ; TAUERN WINDOW ; EASTERN ALPS ; ALPINE ; ZIRCON ; CRYSTALLIZATION ; SUBDUCTION
Language英语
Funding ProjectNational Key R&D Program of China[2016YFC0600407] ; National Science Foundation of China[41572055] ; International Partnership Program of the Chinese Academy of Sciences[GJHZ1776]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program 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 ; National Key R&D Program of China ; National Key R&D Program 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 ; National Key R&D Program of China ; National Key R&D Program 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 ; National Key R&D Program of China ; National Key R&D Program 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
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000461867700005
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/91073
Collection岩石圈演化国家重点实验室
Corresponding AuthorJi, Wei-Qiang; Malusa, Marco G.
Affiliation1.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
Recommended Citation
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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