Abstract <p>A diagram is proposed for discriminating between at least some A-type intraplate and postcollisional granitoids. The diagram is based on data of the discriminant analysis of geochemically similar Phanerozoic A-type granitoids and is demonstrated to be able to identify the types not only of Phanerozoic but also of Precambrian A-type granitoids.</p>

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Possibility of Discriminating between Postcollisional and Intraplate A-Type Granitoids Based on Geochemical Data

  • S. D. Velikoslavinskii,
  • A. B. Kotov,
  • E. V. Tolmacheva,
  • D. P. Krylov,
  • T. M. Skovitina

摘要

Abstract

A diagram is proposed for discriminating between at least some A-type intraplate and postcollisional granitoids. The diagram is based on data of the discriminant analysis of geochemically similar Phanerozoic A-type granitoids and is demonstrated to be able to identify the types not only of Phanerozoic but also of Precambrian A-type granitoids.