Metamorphic experiments on solid—solid reactions

  • John R. Holloway
  • Bernard J. Wood


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.


Excess Free Energy Calorimetric Data Excess Enthalpy Phase Equilibrium Data Lead Silicate 
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Copyright information

© John R. Holloway & Bernard J. Wood 1988

Authors and Affiliations

  • John R. Holloway
    • 1
  • Bernard J. Wood
    • 2
  1. 1.Arizona State UniversityUSA
  2. 2.Northwestern UniversityUSA

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