In the previous chapters, the emphasis has been on the attainment of chemical equilibrium in metamorphism, because it is only by identifying assemblages of minerals that have co-existed together in equilibrium that the pressures and temperatures of their formation can be determined. Equilibrium studies alone tell us only about the P–T conditions prevailing when a particular assemblage formed, they cannot tell us anything about the rock’s history before or after the assemblage grew.
Review the options below to login to check your access.
Log in with your Cambridge Aspire website account to check access.
If you believe you should have access to this content, please contact your institutional librarian or consult our FAQ page for further information about accessing our content.