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First Paleomagnetic Result From the Early Permian Volcanic Rocks in Northeastern Mongolia: Evolutional Implication for the Paleo-Asian Ocean and the Mongol-Okhotsk Ocean
Zhao, Pan1,2,3; Appel, Erwin3; Xu, Bei4; Sukhbaatar, Turbold5,6
2020-02-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
ISSN2169-9313
Volume125Issue:2Pages:16
AbstractThe Mongolia Block (MOB), which is now sandwiched by the Siberia Craton (SIB) and the North China Craton (NCC), plays an essential role for understanding the late stage evolution of the Paleo-Asian Ocean and the early stage evolution of the Mongol-Okhotsk Ocean. Here, a paleomagnetic study is performed for the first time on the Early Permian volcanic strata in the Bayandun region of northeastern Mongolia and the data are used to uncover the late Paleozoic paleoposition of the MOB and better understand the evolution of both oceans. Zircon U-Pb dating results reveal an emplacement age of 283 3 Ma for the studied volcanic strata. Rock magnetic analyses identify that titanium-poor magnetite is the main magnetic carrier. Characteristic remanent magnetization isolated from seven sites shows consistent reverse polarity, corresponding to the Permo-Carboniferous (Kiaman) Reverse Superchron. Site-mean directions pass fold tests, and an Early Permian paleomagnetic pole is calculated for the MOB at)s lambda/phi = 14.9 degrees N/76.8 degrees E (A(95) = 5.7) with N = 7 sites. Comparison with published Permian paleomagnetic poles from surrounding blocks indicates that (1) the MOB should have welded with the NCC before the Early Permian or was at least very close to it. (2) The welded MOB-NCC was separated from the SIB by the Mongol-Okhotsk Ocean with similar to 30 degrees latitudinal difference during the Early Permian. (3) Significant vertical-axis strike-slip related rotations occurred within and along the margins of the unified MOB-NCC due to the far-field stress effect produced by posterior orogenic events.
DOI10.1029/2019JB017338
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation
WOS KeywordNORTHERN INNER-MONGOLIA ; SOUTHERN MARGIN ; SIBERIAN TRAPS ; OROGENIC BELT ; FOLD TEST ; CHINA ; PALEOGEOGRAPHY ; CONSTRAINTS ; RUSSIA ; ZONE
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC0601302] ; National Nature Science Foundation of China[41888101] ; National Nature Science Foundation of China[41672214] ; Alexander von Humboldt Foundation
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation ; Alexander von Humboldt Foundation
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000530895200025
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96722
Collection岩石圈演化国家重点实验室
Corresponding AuthorXu, Bei
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithosphet Evolut, Beijing, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
3.Univ Tubingen, Dept Geosci, Tubingen, Germany
4.Hebei GEO Univ, Key Lab Reg Geol & Mineralizat, Shijiazhuang, Hebei, Peoples R China
5.Mongolian Acad Sci, Inst Paleontol & Geol, Ulaanbaatar, Mongolia
6.Charles Univ Prague, Inst Petrol & Struct Geol, Prague 2, Czech Republic
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhao, Pan,Appel, Erwin,Xu, Bei,et al. First Paleomagnetic Result From the Early Permian Volcanic Rocks in Northeastern Mongolia: Evolutional Implication for the Paleo-Asian Ocean and the Mongol-Okhotsk Ocean[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2020,125(2):16.
APA Zhao, Pan,Appel, Erwin,Xu, Bei,&Sukhbaatar, Turbold.(2020).First Paleomagnetic Result From the Early Permian Volcanic Rocks in Northeastern Mongolia: Evolutional Implication for the Paleo-Asian Ocean and the Mongol-Okhotsk Ocean.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,125(2),16.
MLA Zhao, Pan,et al."First Paleomagnetic Result From the Early Permian Volcanic Rocks in Northeastern Mongolia: Evolutional Implication for the Paleo-Asian Ocean and the Mongol-Okhotsk Ocean".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 125.2(2020):16.
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