Metamorphic grade refers to ________.
A) how much we'll have to curve your test mark if you are guessing!
B) recrystallization versus amount of primary mineral grains
C) metamorphic intensity as recorded by particular minerals which are sensitive to T, P
D) economic value of metamorphic rocks

Question

Quizplus · Accepted Answer

Metamorphic grade is an indication of the intensity of metamorphism, meaning the degree to which the parent rock has undergone changes in temperature, pressure, and chemical processes. This is often recorded by the presence of specific minerals, known as index minerals, which form under certain conditions of temperature and pressure.

Metamorphic Grade Refers to ________