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-This rock is less stable at higher pressures and temperatures (the rock
on the right has lower energy that rock on left).
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-The reaction creates water- a characteristic of metamorphism (the
rocks dehydrate)
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-Rock on the left has more water in it that right rock.
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Schists
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-A medium grade metamorphic rock
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Gneiss
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-Highest grade metamorphic rock
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-Muddy rock formed into feldspar
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-Higher temperatures and pressure’s, it will start to melt.
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Metamorphism of Shale
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-Summary what we’ve been looking at so far
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- Fall '09
- ALFONSOMUCCI
- Sedimentary rocks, rocks
