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Chinese Journal of Geochemistry

, Volume 6, Issue 4, pp 352–366 | Cite as

H,O,S and Pb isotope studies of uranium ore deposits in granitoid rocks of South China

  • Wang Liankui 
  • Liu Tiegeng 
Article
  • 42 Downloads

Abstract

Most altered clay minerals in uranium ore deposits in granites in the selected provinces of South China haveδ 18O m values ranging from 6.22 to 7.24,δDm from −60 to −70,δ 18O\(O_{H_2 O} \)from +3.05 to −3.07, and\(\delta D_{H_2 O} \) from −20.2 to −37.5‰. Relative enrichment of32S in the uranium ore deposits and greater variations in Pb isotopic composition of galenas from them show that uranium ores in the granites were formed in such a way that uranium in shallow-source granites had been mobilized by heated meteoric waters and then migrated to local favourable locations along great faults to form uranium ore deposits.

Keywords

Uranium Pyrite Clay Mineral Meteoric Water Rock Body 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Science Press 1987

Authors and Affiliations

  • Wang Liankui 
    • 1
  • Liu Tiegeng 
    • 1
  1. 1.Institute of GeochemistryAcademia SinicaChina

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