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Geochemistry, zircon U-Pb and Hf isotope for granitoids, NW SanandajSirjan zone, Iran: Implications for Mesozoic-Cenozoic episodic magmatism during Neo-Tethyan lithospheric subduction
Zhang, Zhiyong1,2; Xiao, Wenjiao1,3; Ji, Weiqiang1; Majidifard, Mahmoud Reza4; Rezaeian, Mahnaz5; Talebian, Morteza4; Xiang, Dunfeng1; Chen, Ling1,3; Wan, Bo1,3; Ao, Songjian1; Esmaeili, Rasoul1
2018-10-01
Source PublicationGONDWANA RESEARCH
ISSN1342-937X
Volume62Pages:227-245
AbstractThe Sanandaj-Sirjan zone (SSZ) of Iran comprises sedimentary and metamorphic basement rocks, which are generally regarded as having been derived from the southern active margin of the Eurasian plate. Within the SSZ, a number of Mesozoic to Cenozoic granitoid intrusions of various size, elongated in a NW-SE direction are exposed. With the benefit of precise age dating, geochemical and isotopic data over the past decade, the magmatic history of these intrusions has become clearer. This study presents further geochronological and geochemical data for previously dated and undated granitoids together with considerable zircon Lu-Hf isotopic data, which were limited in the past Combined with previous work, these new data, including the finding of ca. 170 Ma adakite, lead to improved constraints on the Meso-Cenozoic tectonic evolution of Neo-Tethyan lithospheric subduction. The dominant early middle Jurassic magmatism is proposed to have occurred with a major contribution of crustal components during the initiation of Neo-Tethyan subduction. Subsequent, late Jurassic magmatism suggests the involvement of lower crust partial melting in an extensional tectonic setting. Cretaceous magmatism almost ceased after formation of a flat slab, caused by a trench retreat rate exceeding that of slab roll-back. Late Paleocene-Eocene magma sources in the SSZ are dominated by mantle-derived input through an asthenospheric window with subordinate crustal contamination during the subduction of the Neo-Tethyan ridge-spreading center. This interpretation differs from Paleocene-Eocene magmatic flare-up proposed for the northern Iranian interior, which may have been drivers by an episode of slab retreat or slab roll-back following Cretaceous flat slab subduction. (C) 2018 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
KeywordSanandaj-Sirjan zone Neo-Tethyan subduction Zagros Orogen Zircon U-Pb geochronology Lu-Hf isotope
DOI10.1016/j.gr.2018.04.002
Funding OrganizationInternational Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program
WOS KeywordTRONDHJEMITE-GRANODIORITE TTG ; BIMODAL PIRANSHAHR MASSIF ; ARABIA-EURASIA COLLISION ; ZAGROS OROGENIC BELT ; SIRJAN ZONE ; TECTONIC EVOLUTION ; CONTINENTAL COLLISION ; EXHUMATION HISTORY ; TAITAO PENINSULA ; NORTHWEST IRAN
Language英语
Funding ProjectInternational Partnership Program of the Chinese Academy of Sciences[GJHZ1776] ; National Natural Science Foundation of China[91755102] ; National Natural Science Foundation of China[41320104004] ; National Natural Science Foundation of China[41472192] ; National Natural Science Foundation of China[41672085] ; CAS Program[2013047]
Funding OrganizationInternational Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Program ; CAS Program
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000454185200015
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/90239
Collection岩石圈演化国家重点实验室
Corresponding AuthorZhang, Zhiyong; Xiao, Wenjiao
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Melbourne, Sch Earth Sci, Melbourne, Vic 3010, Australia
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
4.Geol Survey Iran, Res Inst Earth Sci, Tehran, Iran
5.Inst Adv Studies Basic Sci, Zanjan, Iran
Recommended Citation
GB/T 7714
Zhang, Zhiyong,Xiao, Wenjiao,Ji, Weiqiang,et al. Geochemistry, zircon U-Pb and Hf isotope for granitoids, NW SanandajSirjan zone, Iran: Implications for Mesozoic-Cenozoic episodic magmatism during Neo-Tethyan lithospheric subduction[J]. GONDWANA RESEARCH,2018,62:227-245.
APA Zhang, Zhiyong.,Xiao, Wenjiao.,Ji, Weiqiang.,Majidifard, Mahmoud Reza.,Rezaeian, Mahnaz.,...&Esmaeili, Rasoul.(2018).Geochemistry, zircon U-Pb and Hf isotope for granitoids, NW SanandajSirjan zone, Iran: Implications for Mesozoic-Cenozoic episodic magmatism during Neo-Tethyan lithospheric subduction.GONDWANA RESEARCH,62,227-245.
MLA Zhang, Zhiyong,et al."Geochemistry, zircon U-Pb and Hf isotope for granitoids, NW SanandajSirjan zone, Iran: Implications for Mesozoic-Cenozoic episodic magmatism during Neo-Tethyan lithospheric subduction".GONDWANA RESEARCH 62(2018):227-245.
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