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Single zircon LAM-ICPMS U-Pb dating of Guidong complex (SE China) and its petrogenetic significance

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Chinese Science Bulletin

Abstract

Single zircon LAM-ICPMS U-Pb dating indicates that the Guidong granitic complex is a multistage batholith formed during Indosinian-Yanshanian time. The Luxi body (239 ±5 Ma) and the Xiazhuang body (235.8 ±7.6 Ma) intruded during Indosinian time, whereas the Aizi body (160.1 ±6.1 Ma) and the Siqian body (151 ±11 Ma) formed during Yanshanian time. Inherited zircons (1275–2137 Ma) in the Xiazhuang body imply that at least part of the source rocks of the Guidong complex are from the Proterozoic basement of southeast China. Detailed single zircon LAM-ICPMS U-Pb dating results provide important evidence for understanding the evolution, tectonic setting and mineralisation of the complex.

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Authors and Affiliations

  1. State Key Laboratory for Mineral Deposits Research, Department of Earth Sciences, Nanjing University, 210093, Nanjing, China

    Xisheng Xu, Ping Deng & Xinmin Zhou

  2. ARC National Key Centre for the Geochemical Evolution and Metallogeny of Continents, Macquarie University, 2109, NSW, Australia

    Xisheng Xu, S. Y. O’Reilly & W. L. Griffin

  3. Research Institute No. 290, South China Bureau of Geology, CNNE, 512026, Shaoguan, China

    Ping Deng & Zhengzhong Tan

Authors
  1. Xisheng Xu
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  2. Ping Deng
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  3. S. Y. O’Reilly
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  4. W. L. Griffin
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  5. Xinmin Zhou
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  6. Zhengzhong Tan
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Correspondence to Xisheng Xu.

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Xu, X., Deng, P., O’Reilly, S.Y. et al. Single zircon LAM-ICPMS U-Pb dating of Guidong complex (SE China) and its petrogenetic significance. Chin.Sci.Bull. 48, 1892–1899 (2003). https://doi.org/10.1007/BF03184074

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  • DOI: https://doi.org/10.1007/BF03184074

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