Metamorphic Rocks

Question 1

Metamorphism

Answer 1

When existing rocks are changed by pressure or heat

Question 2

What is a geothermometer?

Answer 2

An indicator of the temperature when a geologic event happens.

Question 3

What is metasomatism?

Answer 3

change in the composition of a rock as a result of the introduction or removal of chemical constituents

Question 4

What does it mean when a rock is foliated?

Answer 4

When the minerals are all aligned in one direction.
Caused by previously plated rocks.
Also caused by compression of these plated rocks.
-Changes size of the crystal

Question 5

What is metamorphic facies

Answer 5

• Rocks formed under similar pressures and temperatures.

- Depends on what kind of rock you start with.