Annenberg Foundation
Annenberg Learner: Metamorphic Rocks: Why Rocks Bend and Fold
Understand how metamorphic rocks are formed in this video. [4:59]
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Metamorphic Rocks: 3 Agents of Metamorphism
Explains how metamorphic rocks form from protoliths due to high pressure, temperature, or chemically active fluids. Discusses foliation, how metamorphic rocks are classified, and where the three basic types of rocks can be found. The...
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Physical Geology, Metamorphic Rocks, Foliated Rocks and Non Foliated Rocks
Video explains the differences between foliated and non-foliated metamorphic rocks and how they each form. Gives detailed descriptions of examples for each type. Produced by a Geology professor at Delgado Community College in New...
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Physical Geology: Metamorphic, Protolith
Explains the important role of protoliths in the formation of metamorphic rocks. By knowing what type of rock a protolith is and what minerals it contains, one can predict what it will transform into when exposed to pressure and heat....