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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...
CK-12 Foundation
Ck 12: Earth Science: Metamorphic Rock Classification
[Free Registration/Login may be required to access all resource tools.] Examines how to classify metamorphic rocks.
CK-12 Foundation
Ck 12: Earth Science: Metamorphic Rocks
[Free Registration/Login may be required to access all resource tools.] Covers metamorphic rocks, which form from previous rocks exposed to heat and/or pressure.
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Metamorphic Rocks Chart [Pdf]
A useful chart that explains the processes involved in transforming parent rocks into metamorphic rocks. Shows the two categories of metamorphic rocks produced, one by regional metamorphism and the other by contact metamorphism; their...
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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...