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An Andean-type arc transferred into a Japanese-type arc at final closure stage of the Palaeo-Asian Ocean in the southernmost of Altaids
Tian, Zhonghua1; Xiao, Wenjiao2,3,4
2019-12-18
Source PublicationGEOLOGICAL JOURNAL
ISSN0072-1050
Pages21
AbstractPermian progressive accretion or continental rift is a long-term debate topic in the final evolution of the Altaids or the Central Asian Orogenic Belt (CAOB). The Beishan orogenic collage in the southernmost part of the CAOB recorded the ultimate closure of the Palaeo-Asian Ocean. In this paper, we present (a) field structural measurements/data or observations and fold geological maps in the Liuyuan Basin, (b) geochronological results to rocks on the Shibanshan arc and in the Liuyuan Basin, and (c) geochronological and regional geological data collected around the Liuyuan area, in order to investigate the tectonic setting and evolution of the Liuyuan Basin, and finally discuss the termination of the Palaeo-Asian Ocean. We notice that (a) rocks cropping out on both sides of the Liuyuan Basin have similar petrological and geochronological feature, which are probably from one ancient terrane, (b) sediments and volcanic rocks in the Liuyuan Basin formed in an arc-related basin within an extensional deep to semi-deep water setting or in a limited oceanic basin, and (c) at least two stages of folding could be recognized in the Liuyuan Basin; the age of this progressive deformation was constrained by the maximum depositional age of basinal sediments and undeformed or weakly deformed stitching plutons, which is variable from 275 to 217 Ma; orogenesis therefore was related to arc-related accretion rather than a rift open-close process in Late Permian to Early Triassic. Finally, we conclude that (a) the Liuyuan Basin is a back-arc basin, not a rift basin or lake, (b) final closure of the Palaeo-Asian Ocean was from Late Permian to Triassic, and (3) an Andean-type arc transferred into a Japanese-type arc at the final closure of the Palaeo-Asian Ocean in the southernmost part of the CAOB. Last but not the least, we further speculate that eclogites developed in the Shibanshan arc were emplaced to the Beishan orogenic collage via a destroyed back-arc basin.
KeywordAltaids arc transformation eclogite emplacement Liuyuan back-arc basin Palaeo-Asian Ocean
DOI10.1002/gj.3700
Funding OrganizationNational Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects ; National Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects ; National Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects ; National Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects
WOS KeywordBEISHAN OROGENIC BELT ; NW CHINA ; ACCRETIONARY OROGENESIS ; TECTONIC EVOLUTION ; EASTERN TIANSHAN ; GEOCHRONOLOGY ; GEOCHEMISTRY ; PETROGENESIS ; TERMINATION ; DEFORMATION
Language英语
Funding ProjectNational Science Foundation of China[41672215] ; National Key R&D Program of China[2016YFC0600401] ; Chinese Geological Survey Bureau Projects[DD20190003]
Funding OrganizationNational Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects ; National Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects ; National Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects ; National Science Foundation of China ; National Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Geological Survey Bureau Projects ; Chinese Geological Survey Bureau Projects
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000503143500001
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95875
Collection岩石圈演化国家重点实验室
Corresponding AuthorTian, Zhonghua
Affiliation1.Chinese Acad Geol Sci, Minist Nat Resources Inst Geol, Key Lab Deep Earth Dynam, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
3.Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Inst Ecol & Geog, Urumqi, Peoples R China
4.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Tian, Zhonghua,Xiao, Wenjiao. An Andean-type arc transferred into a Japanese-type arc at final closure stage of the Palaeo-Asian Ocean in the southernmost of Altaids[J]. GEOLOGICAL JOURNAL,2019:21.
APA Tian, Zhonghua,&Xiao, Wenjiao.(2019).An Andean-type arc transferred into a Japanese-type arc at final closure stage of the Palaeo-Asian Ocean in the southernmost of Altaids.GEOLOGICAL JOURNAL,21.
MLA Tian, Zhonghua,et al."An Andean-type arc transferred into a Japanese-type arc at final closure stage of the Palaeo-Asian Ocean in the southernmost of Altaids".GEOLOGICAL JOURNAL (2019):21.
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