James Madison University
Barrovian Metamorphism and Metamorphic Grade: Facies, Zones, and Index Minerals
Explains what Barrovian metamorphism is and the evolution of rocks as they are transformed by metamorphism. The process of burial, heat, and pressure that causes metamorphism is described. The concepts of metamorphic facies, grades,...
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New Mexico State University: Metamorphism and Metamorphic Rocks [Pdf]
A PowerPoint slideshow converted to a PDF, with six slides per page. It explains what metamorphism is, the distribution of metamorphic rocks, the agents of metamorphism, the types of metamorphism, metamorphic grades or degrees, how...