http://en.cgsjournals.com/article/id/6153fec0ed73f876a05b5f9a Webtinent Columbia. The Dagushi Group (Gp) is one of the Mesoproterozoic strata rarely found at the northern margin of the Yangtze Block. U–Pb geochronology and Lu–Hf isotopic …
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WebNov 1, 2024 · Dacites have negative zircon εHf (t) values (–2.8 to –18.7), indicative of derivation from primary magmas generated by partial melting of ancient continental crust. In contrast, rhyolites show positive εHf (t) values (+1.9 to +8.8) and are explained as derived from partial melting of juvenile lower mafic crust. WebMar 31, 2024 · The Dagushi Group (Gp) is one of the Mesoproterozoic strata rarely found at the northern margin of the Yangtze Block. U–Pb geochronology and Lu–Hf isotopic analyses of detrital zircons were ... katara match screening
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WebLi Huaikun, Tian Hui, Zhou Hongying, et al. Correlation between the Dagushi Group in the Dahongshan area and the Shennongjia Group in the Shennongjia area on the northern margin of the Yangtze Craton: Constraints from zircon U-Pb ages and Lu-Hf isotopic systematics[J]. Earth Science Frontiers, 2016, 23(6): 186-201. [30] WebThe Dagushi Group, spread on the northern margin of the Yangtze Craton, is a well-preserved succession of the Mesopro-terozoic strata in South China, unconformably … WebJan 19, 2024 · This age, along with the ages reported from the bottom of the Danzhou Group, constrains deposition of the Danzhou Group to between ca. 820 Ma and ca. 715 Ma. ... Sedimentary sequence and tectonic affinity of the Shennongjia and Dagushi groups in the northern margin of the Yangtze Block and their comparative study … lawyer onlyfans