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      Permanent link:
      https://www.ias.ac.in/article/fulltext/secb/064/05/0267-0272

    • Keywords

       

      Calcite; Rock Mass; Nepheline; Accessory Mineral; Nepheline Syenite

    • Abstract

       

      The study of the riebeckite syenite from Idamakallu-Racherla area shows interesting textural and microstructural features. Based on the petrographical and petrochemical evidence, it is surmised that a rock, which was originally a hornblende syenite, has been transformed into riebeckite syenite through soda-metasomatism. The way in which the mineral transformations took place and the secondary minerals have developed is discussed.

    • Author Affiliations

       

      B Somasekar1 B S Machigad1 C Naganna1

      1. Department of Geology, Karnatak University, Dharwar
    • Dates

       
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