A simple alkalinity ratio and its application to questions of non-orogenic granite genesis

J. B. Wright

J. B. Wright

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Geological Magazine (1969) 106 (4): 370–384.

Abstract

Al ₂ O ₃ + CaO + total alkalis/Al ₂ + O ₃ + CaO - total alkalis (all weight percent), three groups of nonorogenic granite based on compositional affinities, volume relationships of acidic and basic rocks, and tectonic setting

A simple alkalinity ratio and its application to questions of non-orogenic granite genesis

Abstract

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