Abstract
Many metamorphic rocks crystallize or recrystallize under conditions which generate an essentially volatile-free mineral assemblage. As examples, one might consider rocks of the granulite facies which typically produce orthopyroxene—clinopyroxene—plagioclase ± garnet ± quartz assemblages in mafic compositions and quartz—plagioclase—alkali feldspar—sillimanite —garnet ± cordierite assemblages in pelitic compositions. Of even wider distribution than granulites are the recrystallized rocks of the upper mantle which are found as xenoliths in mantle-derived volcanics. Peridotites and eclogites are the commonest of such volatile-free xenoliths.
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© 1988 John R. Holloway & Bernard J. Wood
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Holloway, J.R., Wood, B.J. (1988). Metamorphic experiments on solid—solid reactions. In: Simulating the Earth. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-8028-3_4
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DOI: https://doi.org/10.1007/978-94-011-8028-3_4
Publisher Name: Springer, Dordrecht
Print ISBN: 978-0-04-445255-3
Online ISBN: 978-94-011-8028-3
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