An Sm-Nd isotopic dating study of the Archean Kongling Complex in the Huangling area of the Yangtze Craton |
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| Authors: | Ling Wenli Shan Gao Haifei Zheng Lian Zhou Zhubin Zhao |
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| Institution: | (1) Faculty of Geosciences, China University of Geosciences, 430074 Wuhan, China;(2) Department of Geology, Peking University, 100871 Beijing, China |
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| Abstract: | Sm-Nd isotopic compositions of associated amphibolites, TTG gneisses and granitic gneisses from the Archean Kongling Complex
of the Yangtze Craton, South China are systematically analyzed. The results show that the amphibolites and TTG gneisses have
a similar age of ca. 2 700 Ma, which well agrees with zircon U-Pb dating of previous studies. However, their εND(t) are different, suggestive of possible dissimilarity in source composition. |
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| Keywords: | Yangtze Craton Kongling Complex Archean high-grade terrain Sm-Nd isotoptic chronology crust-mantle evolution |
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