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Igneous and Metamorphic Rocks

Igneous and Metamorphic Rocks

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<strong>Metamorphic</strong> Facies<br />

• Defined on the basis of associated minerals<br />

• Greenschist facies - low grade g<br />

metamorphism; chlorite, talc, serpentine,<br />

muscovite, sodic plagioclase, quartz<br />

• Amphibolite facies - medium grade<br />

metamorphic rocks; new minerals include<br />

amphibole, biotite, garnet, <strong>and</strong>alusite,<br />

kyanite

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