How would you correctly refer to the metamorphic grade of a rock that contains abundant chlorite as its highest temperature mineral such as a greenschist or phyllite? A)"C grade" B)high grade 600° C C)intermediate grade D)low grade

Question

How would you correctly refer to the metamorphic grade of a rock that contains abundant chlorite as its highest temperature mineral such as a greenschist or phyllite?
A)"C grade"
B)high grade > 600° C
C)intermediate grade
D)low grade < 200° C

Quizplus · Accepted Answer

Chlorite is stable at low metamorphic grades, typically below 400°C, indicating a low-grade metamorphic condition.

How Would You Correctly Refer to the Metamorphic Grade of a Rock