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Early Palaeozoic accretionary tectonics of West Kunlun Orogen: Insights from Datong granitoids, mafic-ultramafic complexes, and Silurian-Devonian sandstones, Xinjiang, NW China
Li, Yongchen1,2; Xiao, Wenjiao1,2; Tian, Zhonghua3
2019-05-01
Source PublicationGEOLOGICAL JOURNAL
ISSN0072-1050
Volume54Issue:3Pages:1505-1517
AbstractThe Datong area is located in the western part of the Western Kunlun Orogen (WKO), occupying a key area of the Tethyan domain. Our new SHRIMP U-Pb zircon ages from the Datong area provide new information about the Palaeozoic evolution of the Western Kunlun Orogen. A 473.0 +/- 2.8Ma granite with 493.6 +/- 4.8Ma inherited zircons from the Kusilafu extrusive rocks is interpretation as an A-type granite formed in a fore-arc tectonic setting. The 485.5 +/- 1.9Ma granitoid of the Datongdong pluton combined with the 452.7 +/- 7Ma granitoid of the Datong pluton indicate that the Datong pluton is an intra-oceanic arc complex formed by the southern subduction of the Proto-Tethyan ocean crust. Zircons from gabbros of the Datong mafic-ultramafic complex have a 499.2 +/- 2.1Ma U-Pb crystallization age. Combined with its complicated whole-rock geochemistry, we propose that there may have existed a Datong seamount in the early Palaeozoic. The detrital zircon results of Silurian-Devonian sandstones reveal that the Late Silurian sandstones have the characteristic zircons both from the Tarim Block and Datong Arc, suggesting that the Datong arc collided with the Tarim Block in the Late Silurian. The tectonic history of the WKO was characterized by a southern subduction of Proto-Tethys terminated in the Late Silurian.
KeywordDatong pluton detrital zircon spectra mafic-ultramafic complex Western Kunlun Orogen
DOI10.1002/gj.3246
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China
WOS KeywordZIRCON U-PB ; SOUTHWESTERN TARIM BLOCK ; A-TYPE GRANITES ; NORTHWEST CHINA ; INTRUSIVE COMPLEX ; SOUTHERN MARGIN ; TIBETAN PLATEAU ; QILIAN BLOCK ; GEOCHEMISTRY ; EVOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China[41402183] ; National Natural Science Foundation of China[41230207] ; National Natural Science Foundation of China[41390441] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-SYS012] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18020203] ; National Key R & D Program of China[2017YFC0601206]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Key R & D Program of China ; National Key R & D Program of China
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000465392600022
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/91392
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 100029, Peoples R China
2.Univ Chinese Acad Sci, Sch Earth & Planetary Sci, Beijing, Peoples R China
3.Chinese Acad Geol Sci, Inst Geol, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, Yongchen,Xiao, Wenjiao,Tian, Zhonghua. Early Palaeozoic accretionary tectonics of West Kunlun Orogen: Insights from Datong granitoids, mafic-ultramafic complexes, and Silurian-Devonian sandstones, Xinjiang, NW China[J]. GEOLOGICAL JOURNAL,2019,54(3):1505-1517.
APA Li, Yongchen,Xiao, Wenjiao,&Tian, Zhonghua.(2019).Early Palaeozoic accretionary tectonics of West Kunlun Orogen: Insights from Datong granitoids, mafic-ultramafic complexes, and Silurian-Devonian sandstones, Xinjiang, NW China.GEOLOGICAL JOURNAL,54(3),1505-1517.
MLA Li, Yongchen,et al."Early Palaeozoic accretionary tectonics of West Kunlun Orogen: Insights from Datong granitoids, mafic-ultramafic complexes, and Silurian-Devonian sandstones, Xinjiang, NW China".GEOLOGICAL JOURNAL 54.3(2019):1505-1517.
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