Deep in the crust,at elevated temperatures,rocks may behave plastically and undergo folding or flow.

Question

Quizplus · Accepted Answer

This statement is true. Under high temperatures and pressure, the rocks in the Earth's crust can flow and fold, leading to the formation of structures such as mountains and valleys. This plastic deformation is due to the movement of rock grains, which results in a permanent change in their shape and size.

Deep in the Crust,at Elevated Temperatures,rocks May Behave Plastically and Undergo