Igneous and Metamorphic Rocks
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