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...
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Bc Open Textbooks: Physical Geology: Regional Metamorphism
Discusses the regional metamorphic zones in Nova Scotia, Canada, and the geological processes that caused them to form. Regional metamorphism happens deep within the Earth's crust and eventually, the buried rocks are exposed, usually due...