| Citation: |
Yin Chen, Lu-lu Chen, Jian-guo Li, Hua-lei Zhao, 2025. First discovery of Cretaceous tuffs in the Zhenyuan area, southwestern Ordos Basin, China: Constraints from zircon U-Pb dating, China Geology, 8, 457-459. doi: 10.31035/cg2023109
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First discovery of Cretaceous tuffs in the Zhenyuan area, southwestern Ordos Basin, China: Constraints from zircon U-Pb dating
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References
Gerka K. 2008. Cretaceous climate, volcanism, impacts, and biotic effects. Cretaceous Research, 29, 754–771. doi: 10.1016/j.cretres.2008.05.030. Grossman EL, Joachimski MM. 2012. Oxygen Isotope Stratigraphy. In book: The Geologic Time Scale, 181‒206. doi: 10.1016/B978-0-444-59425-9.00010-X. Huang YB. 2010. The Origin and Evolution of The Desert in Southern Ordos in Early Cretaceous: Constraint from Magnetostratigraphy of Zhidan Group and Magnetic Susceptibility of Its sediment. Lanzhou, Lanzhou University, Master thesis, 34‒65 (in Chinese with an English abstract -
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Yin Chen, Lu-lu Chen, Jian-guo Li, Hua-lei Zhao, 2025. First discovery of Cretaceous tuffs in the Zhenyuan area, southwestern Ordos Basin, China: Constraints from zircon U-Pb dating, China Geology, 8, 457-459. doi: 10.31035/cg2023109
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Figure 1.
Tectonic sketch map of the southwestern Ordos Basin (a) and profile of drill holes, sample locations (b).
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Figure 2.
Photos of samples and zircon U-Pb dating of the tuff beds in the Ordos Basin. a‒c ‒photos of three samples; d‒f‒orthogonal polarization micrographs of three samples; h‒j‒zircon U-Pb dating concordia diagrams, weighted mean ages, and CL images.