Science China Earth Sciences

, Volume 60, Issue 7, pp 1220–1236 | Cite as

Petrogenetic differences between the Middle-Late Jurassic Cu-Pb-Zn-bearing and W-bearing granites in the Nanling Range, South China: A case study of the Tongshanling and Weijia deposits in southern Hunan Province

  • XuDong Huang
  • JianJun LuEmail author
  • Stanislas Sizaret
  • RuCheng Wang
  • DongSheng Ma
  • RongQing Zhang
  • Xu Zhao
  • JinWei Wu
Research Paper


The Middle-Late Jurassic Cu-Pb-Zn-bearing and W-bearing granites in the Nanling Range have distinctly different mineralogical and geochemical signatures. The Cu-Pb-Zn-bearing granites are dominated by metaluminous amphibole-bearing granodiorites, which have higher CaO/(Na2O+K2O) ratios, light/heavy rare earth element (LREE/HREE) ratios, and δEu values, lower Rb/Sr ratios, and weak Ba, Sr, P, and Ti depletions, exhibiting low degrees of fractionation. The W-bearing granites are highly differentiated and peraluminous, and they have lower CaO/(Na2O+K2O) ratios, LREE/HREE ratios, and δEu values, higher Rb/Sr ratios, and strong Ba, Sr, P, and Ti depletions. The Cu-Pb-Zn-bearing granites were formed predominantly between 155.2 and 167.0 Ma with a peak value of 160.6 Ma, whereas the W-bearing granites were formed mainly from 151.1 to 161.8 Ma with a peak value of 155.5 Ma. There is a time gap of about 5 Ma between the two different types of ore-bearing granites. Based on detailed geochronological and geochemical studies of both the Tongshanling Cu-Pb-Zn-bearing and Weijia W-bearing granites in southern Hunan Province and combined with the other Middle-Late Jurassic Cu-Pb-Zn-bearing and W-bearing granites in the Nanling Range, a genetic model of the two different types of ore-bearing granites has been proposed. Asthenosphere upwelling and basaltic magma underplating were induced by the subduction of the palaeo-Pacific plate. The underplated basaltic magmas provided heat to cause a partial melting of the mafic amphibolitic basement in the lower crust, resulting in the formation of Cu-Pb-Zn mineralization related granodioritic magmas. With the development of basaltic magma underplating, the muscovite-rich metasedimentary basement in the upper-middle crust was partially melted to generate W-bearing granitic magmas. The compositional difference of granite sources accounted for the metallogenic specialization, and the non-simultaneous partial melting of one source followed by the other brought about a time gap of about 5 Ma between the Cu-Pb-Zn-bearing and W-bearing granites.


Cu-Pb-Zn-bearing granites W-bearing granites Petrogenesis Middle-Late Jurassic Nanling Range 


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We sincerely thank Xing Gensheng and Zhou Pucai at the Tongshanling Cu-Pb-Zn mine, Ou Yueming at the Jiangyong Pb-Zn-Ag mine, and Zhu Xian and He Libin from the No. 418 Geological Team of Bureau of Geology and Mineral Exploration and Development of Hunan Province for their assistance during the fieldwork. We would like to thank the anonymous reviewers for their constructive suggestions that improved this manuscript. This study was supported by the National Natural Science Foundation of China (Grant No. 41273053), the National Key Basic Research Program of China (Grant No. 2012CB416702), the Sino-French Cai Yuanpei Program of China Scholarship Council.

Supplementary material

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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • XuDong Huang
    • 1
    • 2
  • JianJun Lu
    • 1
    Email author
  • Stanislas Sizaret
    • 2
  • RuCheng Wang
    • 1
  • DongSheng Ma
    • 1
  • RongQing Zhang
    • 3
  • Xu Zhao
    • 1
  • JinWei Wu
    • 1
  1. 1.State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and EngineeringNanjing UniversityNanjingChina
  2. 2.Institut des Sciences de la Terre d’OrléansUMR 7327-CNRS/Université d’Orléans/BRGMOrléansFrance
  3. 3.Chinese Academy of Sciences Key Laboratory of Mineralogy and Metallogeny, Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhouChina

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