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Final Assembly of the Southwestern Central Asian Orogenic Belt as Constrained by the Evolution of the South Tianshan Orogen: Links With Gondwana and Pangea
Wang, Xin-Shui1,2,3; Klemd, Reiner3; Gao, Jun1,2,4; Jiang, Tuo5; Li, Ji-Lei1,2; Xue, Sheng-Chao6
2018-09-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
ISSN2169-9313
Volume123Issue:9Pages:7361-7388
AbstractThe South Tianshan Orogen marks the final assembly of the southwestern Central Asian Orogenic Belt (CAOB) and the Karakum-Tarim cratons. Here we present an integrated mineralogical, geochemical, and geochronological study of the Wuwamen ophiolitic melange in the South Tianshan to better understand the tectonic evolution of the western CAOB and its links to Gondwana and Pangea. Mantle peridotites with mineral compositions similar to those of abyssal peridotites and basalts with N-MORB geochemical affinities suggest that the Wuwamen ophiolite was formed in a mid-ocean ridge setting. Arc-related gabbro and plagiogranite stocks intruding the mantle peridotites yielded zircon U-Pb ages of 441.14.2 and 442.82.4Ma, indicating that the Wuwamen ophiolite got emplaced prior to similar to 440Ma. Sericite-quartz schist from the ophiolitic melange matrix with abundant 481-319 Ma detrital zircon grains is crosscut by a two-mica granite dike with a zircon U-Pb age of 321.31.7Ma, thereby constraining the formation of the Wuwamen ophiolitic melange at similar to 320Ma. In conjunction with published data, we propose that the South Tianshan Ocean opened in the late Neoproterozoic and promoted the subsequent separation of microcontinents in the western CAOB from the northeast Gondwana margin during Gondwana assembly. Furthermore, the closure of the South Tianshan Ocean led to the final assembly of the southwestern CAOB and the Karakum-Tarim cratons and their incorporation into Pangea at similar to 320Ma.
KeywordCentral Asian orogenic belt Tianshan Wuwamen ophiolite Gondwana Pangea
DOI10.1029/2018JB015689
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program
WOS KeywordPALEOZOIC TECTONIC EVOLUTION ; U-PB GEOCHRONOLOGY ; TRACE-ELEMENT COMPOSITION ; OCEAN PLATE STRATIGRAPHY ; WESTERN CHINESE TIANSHAN ; PERMIAN VOLCANIC-ROCKS ; NORTHERN TARIM CRATON ; KYRGYZ TIEN-SHAN ; HP-UHP ROCKS ; NW-CHINA
Language英语
Funding ProjectNational Natural Science Foundation of China[41390445] ; National Natural Science Foundation of China[41025008] ; China Geological Survey[DD20160345] ; China Postdoctoral Science Foundation[2016M600127] ; Sino-German (CSC-DAAD) Postdoc Scholarship Program
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Sino-German (CSC-DAAD) Postdoc Scholarship Program ; Sino-German (CSC-DAAD) Postdoc Scholarship Program
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000447858800012
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/89131
Collection矿产资源研究院重点实验室
Corresponding AuthorWang, Xin-Shui; Gao, Jun
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
3.Univ Erlangen Nurnberg, GeoZentrum Nordbayern, Erlangen, Germany
4.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
5.China Geol Survey, Lab Isotope Geochem, Wuhan Ctr, Wuhan, Hubei, Peoples R China
6.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xin-Shui,Klemd, Reiner,Gao, Jun,et al. Final Assembly of the Southwestern Central Asian Orogenic Belt as Constrained by the Evolution of the South Tianshan Orogen: Links With Gondwana and Pangea[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2018,123(9):7361-7388.
APA Wang, Xin-Shui,Klemd, Reiner,Gao, Jun,Jiang, Tuo,Li, Ji-Lei,&Xue, Sheng-Chao.(2018).Final Assembly of the Southwestern Central Asian Orogenic Belt as Constrained by the Evolution of the South Tianshan Orogen: Links With Gondwana and Pangea.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,123(9),7361-7388.
MLA Wang, Xin-Shui,et al."Final Assembly of the Southwestern Central Asian Orogenic Belt as Constrained by the Evolution of the South Tianshan Orogen: Links With Gondwana and Pangea".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 123.9(2018):7361-7388.
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