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Experimental Investigation of Exchange Equilibria in the System Cordierite-Garnet-Biotite

  • L. L. Perchuk
  • I. V. Lavrent’eva
Part of the Advances in Physical Geochemistry book series (PHYSICAL GEOCHE, volume 3)

Abstract

Cordierite-garnet and biotite-garnet pairs are the most effective thermometers for estimating the equilibrium temperatures in metapelites. Both of these ther-mometers are based on the exchange equilibria with relatively large entropy change in the following reactions:
$${\rm{Co}}{{\rm{r}}_{{\rm{Fe}}}} + {\rm{G}}{{\rm{r}}_{{\rm{Mg}}}} = {\rm{G}}{{\rm{r}}_{{\rm{Fe}}}} + {\rm{Co}}{{\rm{r}}_{{\rm{Mg,}}}}$$
$${\rm{B}}{{\rm{i}}_{{\rm{Fe}}}} + {\rm{G}}{{\rm{r}}_{{\rm{Mg}}}} = {\rm{G}}{{\rm{r}}_{{\rm{Fe}}}} + {\rm{B}}{{\rm{i}}_{{\rm{Mg}}{\rm{.}}}}$$

Keywords

Exchange Equilibrium Metastable Equilibrium Projective Correspondence Ural Mineral Recrystallization Method 
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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© Springer-Verlag New York Inc. 1983

Authors and Affiliations

  • L. L. Perchuk
  • I. V. Lavrent’eva

There are no affiliations available

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