Metamorphic rocks Flashcards
1
Q
What is a metamorphic rock
A
A type of rock that is changed by heat, pressure or chemical reactions
2
Q
contact metamorphism
A
A change in a rock’s composition due to contact with magma. When a rock is next to a heat source, like a heat chamber it results in a baked rock
3
Q
regional metamorphism
A
the change in the composition of a rock due to pressure and temperature over a large area, usually a result of tectonic forces.
4
Q
At what temperature do rocks start to metamorphize
A
Between 200 degrees Celsius and 1100 degrees celsius
