KEY POINTS IN THIS CHAPTER •
Metamorphism involves heat and pressure; contact metamorphism implies heat, while dynamic metamorphism implies pressure added.
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The parent compound matters, so if you start with sandstone, you'll get a different end product than if you start with clay.
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Some metamorphic rocks are foliated, while others are non-foliated. Non-foliated rocks are quartzite and marble, while foliated rocks include gneiss, schist, slate, and others.
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There are large regional differences depending on the presence of things like convergent plate activity or subduction activity.
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