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Late Carboniferous southward migration of Tarbagatay subduction-accretion complex by slab retreat and break-off in West Junggar (NW China)

文献类型：期刊论文

作者Borbugulov, Esen2,6,7; Chen, Yichao7; Xiao, Wenjiao2,5,6,7; Windley, Brian F.4; Schulmann, Karel1,3; Zhang, Ji'en5; Zhang, Zhiyong5; Song, Shuaihua5,7; Li, Rui5,7; Sang, Miao2,6
刊名GEOLOGICAL JOURNAL
出版日期2020
卷号55期号:1页码:11-30
关键词adakite Altaids trench retreat West Junggar zircon geochronology
ISSN号0072-1050
DOI10.1002/gj.3408
英文摘要The Carboniferous tectonic history of the northern West Junggar of NW China is of key importance for understanding the tectonics of the Altaids. This paper presents a systematic study of the emplacement of the E'min ophiolite, the ages of turbidites, and a stitching granite dike in order to constrain the late Carboniferous oceanic evolution of northern West Junggar. Our field investigation reveals that the Tarbagatay subduction-accretion complex formed by imbrication of turbidites and ophiolitic slices in the Western Tarbagatay Mountain, which is considered as the forearc of the Saur arc in northern West Junggar. Field relationships and zircon geochronology suggest that the emplacement of the E'min ophiolite was later than the minimum time of deposition of hanging wall turbidites, which have a zircon age of 324 Ma, and must be earlier than the crystallization time of a 311-Ma stitching granite dike that intruded the younger turbidites. The turbidites become younger from north to south, with minimum deposition ages varying from 324 to 309 Ma. The 311-Ma dike has an adakitic affinity suggesting that it may have formed by magma melted from a subduction slab wedge and from accreted material at similar to 310 Ma. Therefore, we propose an accretionary arc setting for the Saur arc, with southward migration of the trench and magma front. The 311-Ma dike has a high Al enrichment and arc-related geochemical signature suggesting that it was generated by melting of accreted trench sediments. This may indicate that subduction of the Saur arc may have lasted to at least the late Carboniferous. The development of such arc accretion suggests that the formation of the southern Altaids was fundamentally similar to that of accretionary orogens in the western Pacific.
WOS关键词OCEAN PLATE STRATIGRAPHY ; ASIAN OROGENIC BELT ; ZIRCON U-PB ; TECTONIC IMPLICATIONS ; PALEOZOIC ACCRETIONARY ; CONTINENTAL-CRUST ; RIDGE SUBDUCTION ; ISLAND-ARC ; EVOLUTION ; XINJIANG
资助项目Key Research Program of Frontier Sciences, CAS[QYZDJ-SSWSYS012] ; National Natural Science Foundation of China[41230207] ; National Natural Science Foundation of China[41402183] ; National Natural Science Foundation of China[41472208] ; National Natural Science Foundation of China[41390441] ; Chinese Academy of Sciences (CAS)[XDB18020203] ; National Key R & D Program of China[2017YFC0601206]
WOS研究方向Geology
语种英语
WOS记录号WOS:000508025400002
出版者WILEY
资助机构Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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
源URL[http://ir.iggcas.ac.cn/handle/132A11/95888]  
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Xiao, Wenjiao
作者单位1.Czech Geol Survey, Dept Lithospher Res, Prague, Czech Republic
2.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Res Ctr Mineral Resources, Urumqi 830011, Peoples R China
3.Univ Strasbourg, EOST, CNRS, Inst Phys Globe Strasbourg,UMR7516, Strasbourg, France
4.Univ Leicester, Dept Geol, Leicester, Leics, England
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
6.Xinjiang Key Lab Mineral Resources & Digital Geol, Urumqi, Xinjiang, Peoples R China
7.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Borbugulov, Esen,Chen, Yichao,Xiao, Wenjiao,et al. Late Carboniferous southward migration of Tarbagatay subduction-accretion complex by slab retreat and break-off in West Junggar (NW China)[J]. GEOLOGICAL JOURNAL,2020,55(1):11-30.
APA Borbugulov, Esen.,Chen, Yichao.,Xiao, Wenjiao.,Windley, Brian F..,Schulmann, Karel.,...&Sang, Miao.(2020).Late Carboniferous southward migration of Tarbagatay subduction-accretion complex by slab retreat and break-off in West Junggar (NW China).GEOLOGICAL JOURNAL,55(1),11-30.
MLA Borbugulov, Esen,et al."Late Carboniferous southward migration of Tarbagatay subduction-accretion complex by slab retreat and break-off in West Junggar (NW China)".GEOLOGICAL JOURNAL 55.1(2020):11-30.

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来源：地质与地球物理研究所

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