A group of metamorphic rocks that formed under the same broad conditions of temperature and pressure is a
A) metamorphic zone.
B) isograd.
C) metamorphic facies.
D) contact zone.

Question

Quizplus · Accepted Answer

A metamorphic facies is a group of metamorphic rocks that formed under similar temperatures and pressures. It represents a specific range of conditions that influenced the formation and transformation of rocks. Other choices, such as metamorphic zone, isograd, and contact zone, do not have the same level of specificity and do not necessarily indicate a consistent range of conditions.

A Group of Metamorphic Rocks That Formed Under the Same