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Latest Permian-early Triassic arc amalgamation of the Eastern Tianshan (NW China): Constraints from detrital zircons and Hf isotopes of Devonian-Triassic sediments
Chen, Zhenyu1,2; Xiao, Wenjiao1,2,3; Windley, Brian F.4; Schulmann, Karel5,6,7; Mao, Qigui8; Zhang, Zhiyong1,2; Zhang, Ji'en1,2; Li, Yongchen1,2; Song, Shuaihua1,2
2020-03-01
Source PublicationGEOLOGICAL JOURNAL
ISSN0072-1050
Volume55Issue:3Pages:1708-1727
AbstractThe temporal-spatial framework of arc amalgamation is an important key for understanding the anatomy of orogenic collages, present and past. The Junggar-Balkhash Ocean was a major branch of the southern Paleo-Asian Ocean where several arcs were amalgamated. Among them, the Dananhu arc with its characteristic juvenile magmatism and lack of Precambrian basement is an efficient recorder of the evolutional history. From our U-Pb and Lu-Hf isotopic analyses of Devonian to Triassic sediments in the Dananhu arc and Permian sediments in the Yamansu-Central Tianshan arc, we discovered two major changes in detrital zircon provenance of the Dananhu arc: (a) An increasing input of Precambrian ages from the Mongolia collage at 850, 1,850, and 2,500 Ma, together with Phanerozoic zircons ranging from 420 to 480 Ma with negative epsilon Hf(t) value since ca. 288 Ma; (b) the presence of the Yamansu-Central Tianshan arclike Precambrian age cluster of 1,400-1,600 Ma around 243 Ma. In combination with regional tectonothermal events, these two changes correspond to the formation of the Harlik-Dananhu composite arc in the latest Carboniferous-early Permian followed by its collision with the Yamansu-Central Tianshan arc in the latest Permian-early Triassic, which marks the termination of the eastern Junggar-Balkash Ocean. Analysis of the sedimentary successions within the intraoceanic arcs sheds light on the amalgamation history of the Central Asian Orogenic Belt.
Keywordamalgamation Central Asian Orogenic Belt detrital zircon Hf isotope intraoceanic arc Junggar-Balkhash Ocean provenance
DOI10.1002/gj.3540
WOS KeywordU-PB GEOCHRONOLOGY ; PALEOZOIC TECTONIC EVOLUTION ; OCEAN PLATE STRATIGRAPHY ; ASIAN OROGENIC BELT ; SR-ND ; NORTHWEST CHINA ; WEST JUNGGAR ; KANGGUERTAGE OPHIOLITE ; MAGMATIC EVOLUTION ; CONTINENTAL GROWTH
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000520616500007
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95522
Collection岩石圈演化国家重点实验室
Corresponding AuthorXiao, Wenjiao
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Res Ctr Mineral Resources, Urumqi, Peoples R China
4.Univ Leicester, Dept Geol, Leicester, Leics, England
5.CNRS, UMR 7516, IPGS, Strasbourg, France
6.Univ Strasbourg, Strasbourg, France
7.Czech Geol Survey, Ctr Lithospher Res, Prague, Czech Republic
8.Beijing Inst Geol Mineral Resources, Beijing, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Zhenyu,Xiao, Wenjiao,Windley, Brian F.,et al. Latest Permian-early Triassic arc amalgamation of the Eastern Tianshan (NW China): Constraints from detrital zircons and Hf isotopes of Devonian-Triassic sediments[J]. GEOLOGICAL JOURNAL,2020,55(3):1708-1727.
APA Chen, Zhenyu.,Xiao, Wenjiao.,Windley, Brian F..,Schulmann, Karel.,Mao, Qigui.,...&Song, Shuaihua.(2020).Latest Permian-early Triassic arc amalgamation of the Eastern Tianshan (NW China): Constraints from detrital zircons and Hf isotopes of Devonian-Triassic sediments.GEOLOGICAL JOURNAL,55(3),1708-1727.
MLA Chen, Zhenyu,et al."Latest Permian-early Triassic arc amalgamation of the Eastern Tianshan (NW China): Constraints from detrital zircons and Hf isotopes of Devonian-Triassic sediments".GEOLOGICAL JOURNAL 55.3(2020):1708-1727.
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