Author Question: If clay minerals in a sedimentary rock were buried at a depth where subsurface temperatures exceeded ... (Read 134 times)

2125004343 · **on:** Jul 16, 2018

If clay minerals in a sedimentary rock were buried at a depth where subsurface temperatures exceeded 200C, which common metamorphic mineral would they become?

A) Quartz
B) Muscovite
C) Amphibole
D) Plagioclase

Question 2

________ is the process by which a rock changes form or mineral content as a result of environmental changes such as heat and pressure.

A) Rifting
B) Precipitation
C) Metamorphism
D) Foliation