Chapter 9 - Metamorphic Rocks

Question 1

foliation

Answer 1

planar structures in metamorphic rocks

Question 2

lineation

Answer 2

linear structures in metamorphic rocks

Question 3

aureole

Answer 3

the area of rock affected by contact metamorphism

Question 4

regional metamorphism

Answer 4

when pressure and temperature combine to alter rock over large areas

Question 5

metasomatism

Answer 5

chemical alteration in the presence of hydrothermal fluids

Question 6

skarns

Answer 6

the product rock formed from the metasomatism of dolomite and limestone

Question 7

increasing metamorphic grade (name rocks low to high grade)

Answer 7

chlorite > muscovite > biotite > garnet > kyanite > sillimanite