IGGCAS OpenIR  > 新生代地质与环境院重点实验室
E/I-corrected inclination shallowing in Cenozoic redbeds from the northern Tarim Basin, NW China: Possible causes and paleogeographic implications
Zhang, Zhiliang1,2; Shen, Bai1; Sun, Jimin2; Ren, Zhikun1
2022-03-16
Source PublicationGEOSPHERE
ISSN1553-040X
Pages14
AbstractBecause of their widespread occurrence and ability to carry stable remanence, continental redbeds in central Asia are frequently used in paleomagnetic studies. However, the paleomagnetic inclinations recorded by redbeds are much shallower than the expected values, as redbeds are usually subjected to inclination shallowing. To recognize and correct the inclinations recorded by the Cenozoic redbeds, the paleomagnetic data that were used for magnetostratigraphic studies in the Kuqa Depression, northern Tarim Basin, are reanalyzed in this study. The mean inclinations of the four groups of samples (Eocene, Oligocene, Miocene, and Pliocene) are systematically similar to 20 degrees shallower than the expected values calculated from the apparent polar wander paths (APWPs) of Eurasia, indicating the presence of inclination shallowing. We apply the elongation/inclination (E/I) method to correct the inclination shallowing. The mean inclinations of the Eocene, Oligocene, Miocene, and Pliocene sediments are corrected from 40.5 degrees to 63.1 degrees, 41.0 degrees to 63.8 degrees, 42.0 degrees to 63.8 degrees, and 44.7 degrees to 63.2 degrees, within 95% confidence limits between 55.1 degrees and 71.6 degrees, 53.7 degrees and 70.4 degrees, 51.5 degrees and 72.7 degrees, and 52.2 degrees and 71.3 degrees, respectively, which are indistinguishable from the expected inclination values. Our results suggest that inclination shallowing in the redbeds of central Asia can be reasonably corrected using the Ell method, and sedimentary processes such as compaction and/or imbrication in the very early stage of burial are important causes for inclination shallowing. Paleolatitudes calculated from the E/I-corrected inclinations show that the Tarim Basin should have reached or been at least close to its current latitude since the Cretaceous. The Cenozoic crustal shortening estimate of the northern Tarim Basin is not detectible for paleomagnetic study.
DOI10.1130/GES02480.1
Funding OrganizationNational Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China
WOS KeywordAPPARENT POLAR WANDER ; SEDIMENTARY-ROCKS ; TIEN-SHAN ; RED BEDS ; TIAN-SHAN ; REMANENT MAGNETIZATION ; PALEOMAGNETIC INCLINATIONS ; BAICHENG DEPRESSION ; WESTERN CHINA ; ANISOTROPY
Language英语
Funding ProjectNational Science and Technology Basic Resources Investi-gation Program of China[2021FY100102] ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration[IGCEA2113] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20070202] ; National Nature Science Foundation of China[41888101] ; National Nature Science Foundation of China[41702209] ; National Nature Science Foundation of China[41672168]
Funding OrganizationNational Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; National Science and Technology Basic Resources Investi-gation Program of China ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Basic Scientific Research Fund, Institute of Geology, China Earthquake Administration ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000780878500001
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/105108
Collection新生代地质与环境院重点实验室
Corresponding AuthorZhang, Zhiliang
Affiliation1.China Earthquake Adm, Inst Geol, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
First Author AffilicationKey Laboratory of Cenozoic Geology and Environment, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Cenozoic Geology and Environment, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Zhiliang,Shen, Bai,Sun, Jimin,et al. E/I-corrected inclination shallowing in Cenozoic redbeds from the northern Tarim Basin, NW China: Possible causes and paleogeographic implications[J]. GEOSPHERE,2022:14.
APA Zhang, Zhiliang,Shen, Bai,Sun, Jimin,&Ren, Zhikun.(2022).E/I-corrected inclination shallowing in Cenozoic redbeds from the northern Tarim Basin, NW China: Possible causes and paleogeographic implications.GEOSPHERE,14.
MLA Zhang, Zhiliang,et al."E/I-corrected inclination shallowing in Cenozoic redbeds from the northern Tarim Basin, NW China: Possible causes and paleogeographic implications".GEOSPHERE (2022):14.
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