Metamorphic (Random 0.2)

Question 1

Where does metamorphism occur?

Answer 1

In the solid state. Crust.
Between diagenesis and melting

Question 2

What are the upper and lower temp. boundary for metamorphism?

Answer 2

ca. 100/150 to 1000

Question 3

What initiates metamorphism?

Answer 3

• Changes in temp. (!)
• changes in pressure (!)
• Changes in states of stress
• Metamorphic fluids

Question 4

What happens to grains under metamorphism?

Answer 4

They get bigger!

Question 5

What is special about metamorphism with fluids?

Answer 5

They can change the bulk composition