Imagine the Bitterroot Range was uplifted and erosion removed several kilometers of rock from above the transformed zone. What would most likely happen to the metamorphic rocks now exposed near the surface over time?
Answer
A
The rocks would return to their original sedimentary form.
B
The rocks would remain solid but begin to weather and break down.
C
The rocks would compress further and develop new foliation.
D
The rocks would melt completely and form new igneous layers.