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Chapter 8: Major Elements - Faculty web pages

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Greenschist, Amphibolite, Granulite Facies<br />

The zeolite and prehnite-pumpellyite pumpellyite facies are not present<br />

in the Scottish Highlands<br />

Metamorphism of mafic rocks is first evident in the<br />

greenschist facies, which correlates with the chlorite and<br />

biotite zones of the associated pelitic rocks<br />

Typical minerals include chlorite, albite, actinolite,<br />

epidote, quartz, , and possibly calcite, biotite, or<br />

stilpnomelane<br />

Chlorite, actinolite, and epidote impart the green color<br />

from which the mafic rocks and facies get their name

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