Metamorphic rocks Flashcards
1
Q
Metamorphism
A
To change form
2
Q
When do metamorphic changes happen?
A
At areas of high heat and pressure
3
Q
Where do metamorphic changes usually occur?
A
Kilometers below the surface
4
Q
2 types of Metamorphism
A
Contact & regional
5
Q
Contact Metamorphism
A
Occurs when magma moves into rock (driven by temperature)
EX: marble
6
Q
Regional Metamorphism
A
Metamorphism of rocks over a large area (can occur when mountains are building and rocks are subjected to extreme pressure and temperature)
7
Q
What are the 2 agents of Metamorphism?
A
Heat & pressure
8
Q
Classification of Metamorphic rocks
A
Foliated & non-foliated
9
Q
Foliated
A
Has a banded or layered appearance
10
Q
Non-foliated
A
Does not have a banded texture
