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.
![Metamorphic Rocks Chart [Pdf] Graphic](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Metamorphic Rocks Chart [Pdf] Graphic")
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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...