1. Can’t stand the pressure
METAMORPHIC ROCKS
Can’t stand the pressure

2. How are metamorphic rocks formed?
Rocks formed from heat and pressure in the earth.
Rocks do not melt!
Any rock can become metamorphic.
There are crystals

3. Animation of Metamorphic Rock Formation

4. What do metamorphic rocks look like?
Foliation = mineral patterns in rock
Mineral Alignment- Crystals aligned (same color)
Banding is layers of minerals (different colors)
Mineral
alignment
banding

5. What do metamorphic rocks look like?
Nonfoliated = no visible mineral pattern
Quartzite
anthracite

6. Metamorphism
Contact metamorphism = change in rocks next to magma or lava that is near the surface.

7. How are metamorphic rocks formed?
Regional metamorphism = change in rocks over large area from deep in the earth.

8. How are metamorphic rocks formed?
Heat and Pressure change parent rocks into new rock
Shale

9. What are metamorphic rocks used for?
marble
slate
Anthracite coal
quartzite

10. Classification (Identification)
Crystals (yes)
Foliation (yes or no)
Crystal size (large, medium or small)

11. How to use esrt page 7 - metamorphic rocks?