What does the lack of foliation mean in a metamorphic rock?
A) that the rock formed in an environment free of compression or shear
B) that most of the new crystals in the rock could only form in inequant form
C) that only high temperature was involved in the rock's creation
D) that both low temperature and pressure were involved in the rock's creation

Question

Quizplus · Accepted Answer

Foliation in metamorphic rocks is typically caused by compression or shear forces, resulting in the alignment of minerals or banding in the rock. The lack of foliation would suggest that the rock did not experience significant compression or shear, and therefore was not subjected to the types of forces that typically cause foliation.

What Does the Lack of Foliation Mean in a Metamorphic