The solubility of alumina in orthopyroxene coexisting with garnet

Bernard J. Wood

doi:10.1007/BF00377989

The solubility of alumina in orthopyroxene coexisting with garnet

Bernard J. Wood^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

249 Citations (Scopus)

Abstract

The solubility of alumina in complex orthopyroxenes crystallised in equilibrium with garnet has been determined over the pressure-temperature range 8-30 Kb and 800-1250° C. The results are in good agreement with predictions made using the simple thermodynamic model of Wood and Banno (1973). The model has been refined using a combination of the new data on orthopyroxenes of about En₆₀Fs₄₀ (with variable calcium content) and previously published data on more magnesian systems. Given analyses of coexisting Orthopyroxene and garnet in natural assemblages it is possible to calculate a P-T curve for the rock which should, in most cases, be accurate to within 2 or 3 kbar.

Original language	English
Pages (from-to)	1-15
Number of pages	15
Journal	Contributions to Mineralogy and Petrology
Volume	46
Issue number	1
DOIs	https://doi.org/10.1007/BF00377989
Publication status	Published - Mar 1974

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The solubility of alumina in orthopyroxene coexisting with garnet

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