Abstract
The Kudo-Weill plagioclase thermometer is applied to basaltic rocks. Comparison of measured and calculated crystallization temperatures shows that the latter are generally higher than measured values. The plagioclase thermometer predicts non-ideal behavoir of plagioclase solid solution and is in close agreement with experimental work at lower temperature. New equations are generated that relate plagioclase and melt chemistries to plagioclase crystallization temperatures; and these, combined with activity coefficient corrections, result in a refinement of the plagioclase thermometer.
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Mathez, E.A. Refinement of the Kudo-Weill plagioclase thermometer and its application to basaltic rocks. Contr. Mineral. and Petrol. 41, 61–72 (1973). https://doi.org/10.1007/BF00377654
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DOI: https://doi.org/10.1007/BF00377654