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Factors of Metamorphism

  • Helmut G. F. Winkler

Abstract

Temperature and pressure are the physical factors that control the process of metamorphism. Metamorphism, in general, refers to the reactions between neighboring minerals of a rock in response to conditions of temperature and pressure prevailing at depth. A certain mineral paragenesis, formed at some given temperature and pressure, becomes unstable if subjected to different conditions; the minerals react to form a new paragenesis in equilibrium at the new conditions. If carbonates and H2O- or OH-bearing minerals take part in the reaction, CO2 and H2O are liberated. The higher the temperature of metamorphism, the smaller the amount of CO2 and H2O combined in the stable minerals. Therefore, a fluid phase composed of volatile constituents is always present during metamorphism of such rocks.

Keywords

Metamorphic Rock Fluid Phase Equilibrium Temperature Oxygen Fugacity Load Pressure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1976

Authors and Affiliations

  • Helmut G. F. Winkler
    • 1
  1. 1.Institute of Mineralogy and PetrologyUniversity of GöttingenGoettingenGermany

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