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Reactivated Margin of the Western North China Craton in the Late Cretaceous: Constraints From Zircon (U-Th)/He Thermochronology of Taibai Mountain
Zhang, Weibin1,2; Wang, Fei2; Wu, Lin2; Yang, Liekun2; Tan, Xibin1; Shi, Wenbei2; Xu, Xiwei3
2022-02-01
Source PublicationTECTONICS
ISSN0278-7407
Volume41Issue:2Pages:26
AbstractThe western North China Craton (NCC) entered a stage of craton thinning concentrated on its margin in the Cenozoic, but its Late-Cretaceous conditions were previously deduced to be relatively quiescent. Therefore, whether the Late-Cretaceous tectonic reactivation existed on the margin of this block is critical to understanding how the craton evolved into a thinned one. To investigate this possible margin reactivation in the Late Cretaceous, we apply zircon (U-Th)/He thermochronology to Taibai Mountain on the southern margin of the western NCC. From an similar to 3-km-high vertical profile with ages decreasing from 98 +/- 5 Ma at the peak to 52 +/- 7 Ma at the foot, the age-elevation relationship suggests the rapid exhumation at ca. 78-71 Ma bracketed by two slow exhumation phases. This interpretation is confirmed by 1D half-space modeling and QTQt inverse modeling, with the rapid exhumation stage having an exhumation rate of 0.1-0.6 km/Myr and a cooling rate of similar to 10 degrees C/Myr. Together with previously reported thermochronological data from the margin of the western NCC, the rapid exhumation at ca. 78-71 Ma implies a reactivated margin in the Late Cretaceous before widespread Cenozoic thinning of the craton margin. This Late-Cretaceous reactivation likely resulted from WNW-ESE extension expressed by thermo-tectonic events, basin subsidence, and volcanism in East Asia. Excluding impacts from climate change, lithospheric delamination, and India subduction beneath Eurasia, we infer that the Late-Cretaceous reactivation on the margin of the western NCC was driven by the far-field effect of Izanagi Plate subduction beneath the Eurasian Plate during slab rollback of the subducted plate.
Keywordzircon (U-Th) He thermochronology craton margin back-arc extension Late Cretaceous
DOI10.1029/2021TC007058
Funding OrganizationNational 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 ; 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 ; 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 ; 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
WOS KeywordAPATITE FISSION-TRACK ; SOUTHERN TAN-LU ; CENOZOIC TECTONIC EVOLUTION ; TIBETAN PLATEAU MARGIN ; SHANXI RIFT SYSTEM ; SINO-KOREAN CRATON ; FOLD-THRUST BELT ; EASTERN CHINA ; FAULT ZONE ; CONTINENTAL-CRUST
Language英语
Funding ProjectNational Key R&D Program of China[2018YFC1504101] ; National Natural Science Foundation of China[41930106]
Funding OrganizationNational 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 ; 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 ; 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 ; 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
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000763564800004
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/104959
Collection岩石圈演化国家重点实验室
Corresponding AuthorZhang, Weibin
Affiliation1.China Earthquake Adm, Inst Geol, State Key Lab Earthquake Dynam, Beijing, Peoples R China
2.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing, Peoples R China
3.MEMC, Natl Inst Nat Hazards, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Weibin,Wang, Fei,Wu, Lin,et al. Reactivated Margin of the Western North China Craton in the Late Cretaceous: Constraints From Zircon (U-Th)/He Thermochronology of Taibai Mountain[J]. TECTONICS,2022,41(2):26.
APA Zhang, Weibin.,Wang, Fei.,Wu, Lin.,Yang, Liekun.,Tan, Xibin.,...&Xu, Xiwei.(2022).Reactivated Margin of the Western North China Craton in the Late Cretaceous: Constraints From Zircon (U-Th)/He Thermochronology of Taibai Mountain.TECTONICS,41(2),26.
MLA Zhang, Weibin,et al."Reactivated Margin of the Western North China Craton in the Late Cretaceous: Constraints From Zircon (U-Th)/He Thermochronology of Taibai Mountain".TECTONICS 41.2(2022):26.
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