1. Meta=change Morphic=form/shape
METAMORPHIC ROCKS
Meta=change Morphic=form/shape

2. Rocks that have been changed from an original “parent” rock
I. Parent Rocks
Rocks that have been changed from an original “parent” rock

5. II. How are Metamorphic Rocks Formed?
Formed under tremendous heat, great pressure, and chemical reactions
Can make new minerals
Most are found on or near plate boundaries
Metamorphism is changing one type of rock into another as a result of heat(from mantle), Pressure (from layers above) and/or chemical reactions.

7. III. Where does the Heat Come From?
The heat comes from:
Mantle
Pressure of the layers
Movement of the Plates on Earth

8. Earth’s Plates

9. IV. What does Metamorphism change?
Metamorphic rocks can change:
a rocks appearance, texture
crystal structure
mineral content
It can form from a/an:
Igneous
Sedimentary
Another metamorphic rock!

10. V. Types of Metamorphic Rocks
Foliated – mineral crystals are arranged in parallel layers or bands
Examples: Schist, slate, and gneiss
b. Nonfoliated – rocks are not banded and do not break into layers
Examples: Marble and quartizite

12. Foliated

13. NON-Foliated
Non-foliated

14. VI. Contact vs. Regional Metamorphism
Small Area
Large Area

16. Examples MARBLE SLATE Used in construction of buildings and walkways
Used in tables, floors, and roofing

17. Metamorphic Rock
/watch?v=UrimDbTUalg

18. Tier 1 Metamorphic Chart Picture 1 picture of foliated Complete chart
1 picture of non- foliated
Must have correct rock names
Must be presented in an organized/colorful way
Chart
Complete chart
Must do research
DOES NOT have to be colorful