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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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Georgia Southwestern State U.: Physical Geology: Metamorphic Rocks: Protoliths
Explains what protoliths, i.e., parent rocks, are and gives examples of protoliths and the metamorphic rocks they transform into. Each example is accompanied by photographs.