Abstract
When a group of rocks is subjected to a definite set of externally controlled conditions, the rocks should show variations in mineral composition corresponding to their chemical variations. In equilibrium, there should be a definite relationship between the chemical and the mineral compositions of rocks. In this case, the term chemical composition refers only to components that are not mobile. If a rock is open to H2O, for example, its H2O content varies with the external conditions.
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© 1965 Akiho Miyashiro
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Miyashiro, A. (1965). Diagrammatic Representation of Mineral Parageneses. In: Metamorphism and Metamorphic Belts. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-6836-6_5
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DOI: https://doi.org/10.1007/978-94-011-6836-6_5
Publisher Name: Springer, Dordrecht
Print ISBN: 978-0-04-550026-0
Online ISBN: 978-94-011-6836-6
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