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Geology of Ore Deposits

, Volume 60, Issue 6, pp 513–526 | Cite as

Chai Mat Kaolin–Bauxite Deposit (South Vietnam): Typomorphic Features of Kaolinite and Formation Mechanism of the Zonal Profile of the Bauxite-Bearing Weathering Crust of Granites

  • V. M. Novikov
  • N. M. BoevaEmail author
  • N. S. Bortnikov
  • A. P. Zhukhlistov
  • V. V. Krupskaya
  • E. B. Bushueva
Article
  • 6 Downloads

Abstract

Analysis of the evolution of bauxite-bearing weathering crust in the geological history of Asia, as well as detailed mineralogical–geochemical and hydrogeochemical studies, has made it possible to consider supergene infiltration metasomatism as a single mechanism for the formation of the eluvial zonal profile, using the weathering crust of southern Vietnam weathering crust as an example. It is established that all weathering crust zones develop simultaneously throughout the existing fracturing as rocks interact with the solutions percolating through them. All supergene minerals are formed directly from original parent rock components rather than by staged development at each other’s expense. The resulting paragenetic assemblages of newly formed minerals result in zoning.

Keywords

kaolin bauxite typomorphic features mechanism of formation bauxite-bearing profile weathering crust precision method 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. M. Novikov
    • 1
  • N. M. Boeva
    • 1
    Email author
  • N. S. Bortnikov
    • 1
  • A. P. Zhukhlistov
    • 1
  • V. V. Krupskaya
    • 1
  • E. B. Bushueva
    • 2
  1. 1.Institute of Geology of Ore Deposits, Petrography, Mineralogy and GeochemistryRussian Academy of SciencesMoscowRussia
  2. 2.Faculty of GeologyMoscow State UniversityMoscowRussia

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