When rocks experience high temperatures and differential stresses deep in Earth, their grains tend to_____ .
A) form new minerals
B) flatten and elongate
C) fracture along planes of weakness
D) break in small fragments like a piece of fine crystal

Question

Quizplus · Accepted Answer

When rocks experience high temperatures and differential stresses deep in Earth, their grains tend to flatten and elongate, a process called foliation. This occurs due to the alignment of mineral grains perpendicular to the direction of the greatest stress.

When Rocks Experience High Temperatures and Differential Stresses Deep in Earth