Metamorphic (Random 0.2) Flashcards
1
Q
Where does metamorphism occur?
A
In the solid state. Crust.
Between diagenesis and melting
2
Q
What are the upper and lower temp. boundary for metamorphism?
A
ca. 100/150 to 1000
3
Q
What initiates metamorphism?
A
- Changes in temp. (!)
- changes in pressure (!)
- Changes in states of stress
- Metamorphic fluids
4
Q
What happens to grains under metamorphism?
A
They get bigger!
5
Q
What is special about metamorphism with fluids?
A
They can change the bulk composition
