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Where and when did the Paleo-Asian ocean form?
Wan, Bo1; Li, Shihu1; Xiao, Wenjiao1; Windley, Brian F.2
2018-10-01
Source PublicationPRECAMBRIAN RESEARCH
ISSN0301-9268
Volume317Pages:241-252
AbstractThe closure of the long-lived Paleo-Asian Ocean generated the Central Asian Orogenic Belt (CAOB). However, the tectonic history and circumstances of where and when this ocean formed are poorly constrained. We provide a new perspective to help resolve this problem. Three typical magmatic events marked by a 1.75 Ga charnockite, 1.64 Ga gabbro and 1.35 Ga dolerite dykes in SW Siberia are identical with 1.75 Ga anorthosite, 1.63 Ga basalt and 1.35 Ga dolerite sills in the northern North China craton. The youngest coeval dykes/sills (1.35 Ga) and similar to 1.35 to 1.25 Ga sedimentary passive margins in both craton margins mark the initial stage of rifting, and therefore the birth of the Paleo-Asian Ocean. Paleomagnetic data indicate that Siberia and North China drifted together and rotated at similar degrees from similar to 1.6 Ga to similar to 1.35 Ga, suggesting the two cratons were close. After 1.35 Ga, North China rotated in an opposite direction away from Siberia, suggesting further expansion of the Paleo-Asian Ocean, which is consistent with the geological record of the CAOB. The separation between Siberia and North China at the 1.35 Ga was a relatively local event with respect to the Nuna supercontinent, and it did not have significant impact on global tectonics and ocean chemistry. The ocean between Siberia and North China opened and closed from 1.35 Ga to 250 Ma, and thus took similar to 1.1 Ga to complete, indicating that the Wilson Cycle operates at different time scales ranging from 100 Ma in a short collisional orogen to 1.1 Ga in a long-lived accretionary orogen.
DOI10.1016/j.precamres.2018.09.003
Funding OrganizationNational Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China
WOS KeywordNORTH CHINA CRATON ; PRE-RODINIA SUPERCONTINENT ; PB BADDELEYITE AGES ; MA MAFIC DYKES ; U-PB ; OROGENIC BELT ; INNER-MONGOLIA ; SIBERIAN CRATON ; PALEOGEOGRAPHIC IMPLICATIONS ; BREAK-UP
Language英语
Funding ProjectNational Basic Research Program of China[2014CB44800] ; National Science Foundation of China[41390440] ; Programs of the Chinese Academy of Sciences of China[2013047] ; Programs of the Chinese Academy of Sciences of China[QYZDJ-SSW-SYS012] ; Programs of the Chinese Academy of Sciences of China[GJHZ1776]
Funding OrganizationNational Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Programs of the Chinese Academy of Sciences of China ; Programs of the Chinese Academy of Sciences of China
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000449125900015
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/89157
Collection岩石圈演化国家重点实验室
Corresponding AuthorWan, Bo
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Leicester, Dept Geol, Leicester LE1 7RH, Leics, England
Recommended Citation
GB/T 7714
Wan, Bo,Li, Shihu,Xiao, Wenjiao,et al. Where and when did the Paleo-Asian ocean form?[J]. PRECAMBRIAN RESEARCH,2018,317:241-252.
APA Wan, Bo,Li, Shihu,Xiao, Wenjiao,&Windley, Brian F..(2018).Where and when did the Paleo-Asian ocean form?.PRECAMBRIAN RESEARCH,317,241-252.
MLA Wan, Bo,et al."Where and when did the Paleo-Asian ocean form?".PRECAMBRIAN RESEARCH 317(2018):241-252.
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