Metamorphic Rocks Video
Name: _________________
Period: ____________
1. What 2 forces do the geologic events focus on rocks?
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2. What does metamorphism mean?
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3. What changes in a rock are due to metamorphism?
a. ______________________________
b. ______________________________
c. ______________________________
4. Why do a wide variety of metamorphic rocks exist?
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5. What was the original rock existing before metamorphism for:
a. marble - _______________
b. amphibolite - _______________
6. What is the temperature range for the formation of metamorphic
rocks? _____________
7. What is the depth range for the formation of metamorphic rocks?
________________
8. What direction do minerals grow in comparison to pressure?
__________________
9. What is the process from question 8 called?
____________________
10.
What is recrystallization?
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11. What is the difference between contact and regional metamorphism?
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12.
Fill in the rock names in this flow chart:
Shale  _____________  Phyllite  ____________  Gneiss
13.
Why don’t the rocks go back to their original rock after the
temperature and pressure are removed?
____________________________________________________
14.
What information do metamorphic rocks give us?
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