Tetrahedral plot diagram: A geometrical solution for quaternary systems

T. Shimura, Anthony Kemp

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)


    © Walter de Gruyter Berlin/Boston 2015. The transformation from a tetrahedral four-component system to an XYZ-orthogonal coordinate axis system has been solved using the geometry of a tetrahedron. If a four component mixing ratio is described as t, l, r, and f (here, t + l + r + f = 1), the transforming equations can be written as A tetrahedral plot diagram can be easily constructed using the algorithms described in this paper. We present an implementation of these algorithms in a custom-designed Microsoft Excel spreadsheet, including adjustable viewing angles for the tetrahedral plot. This will be of general utility for petrological or mineralogical studies of quaternary systems.
    Original languageEnglish
    Pages (from-to)2545-2547
    JournalAmerican Mineralogist
    Issue number11-12
    Publication statusPublished - 2015


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