| Citation: |
Da-liang Xu, Lian-hong Peng, Xin Deng, Chao-ran Liu, Le Wan, Xiao-ming Zhao, 2023. Zircon U-Pb age evidence of the Mesoarchean (2.9–3.2 Ga) crustal remnant in the Southern Dabie Orogen, South China, China Geology, 6, 174-176. doi: 10.31035/cg2022056
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Zircon U-Pb age evidence of the Mesoarchean (2.9–3.2 Ga) crustal remnant in the Southern Dabie Orogen, South China
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References
Qiu XF, Jiang T, Wu NW, Zhao XM, Xu Q. 2020. Neoarchean crustal rocks and Paleoproterozoic migmatization in the Dabie Orogen: Evidence from zircon U-Pb age and Hf isotope. Acta Geologica Sinica, 94(3), 729–738 (in Chinese with English abstract). Wu YB, Zheng YF, Gao S, Jiao WF, Liu YS. 2008. Zircon U-Pb age and trace element evidence for Paleoproterozoic granulite-facies metamorphism and Archean crustal rocks in the Dabie Orogen. Lithos, 101, 308–322. doi: 10.1016/j.lithos.2007.07.008. Zhao GC, Cawood PA. 2012. Precambrian geology of China. Precambrian Research, 222, 13–54. doi: 10.1016/j.precamres.2012.09.017. -
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Da-liang Xu, Lian-hong Peng, Xin Deng, Chao-ran Liu, Le Wan, Xiao-ming Zhao, 2023. Zircon U-Pb age evidence of the Mesoarchean (2.9–3.2 Ga) crustal remnant in the Southern Dabie Orogen, South China, China Geology, 6, 174-176. doi: 10.31035/cg2022056
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Figure 1.
Geological map of South China showing the distribution of Early Precambrian rocks in the Yangtze Block (a, modified from Zhao GC and Cawood PA, 2012), simplified geological map (b), field outcrop (c), and microscope photograph (d) of the discovered granitic gneiss in the Qichun area. Qtz‒quartz, Pl‒plagioclase.
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Figure 2.
CL images (a), chondrite-normalized REE patterns (b), U-Pb age diagrams (c), and U-Pb age versus εHf(t) values (d) of representative zircons from granitic gneiss (D966-1) in the Qichun area.