books.google.com - Petrogenesis of Metamorphic Rocks presents a large number of diagrams showing the stability relations among minerals and groups of minerals found in metamorphic rocks. The diagrams help to determine the pressure and temperature conditions under which a given set of metamorphic rocks may have formed....https://books.google.com/books/about/Petrogenesis_of_Metamorphic_Rocks.html?id=FFcHarai9GEC&utm_source=gb-gplus-sharePetrogenesis of Metamorphic Rocks