Multiple Choice
How would you correctly refer to the metamorphic grade of a rock that contains bundles of fibrous sillimanite along with pyroxene and sanidine as its highest temperature minerals such as a coarse grained granulite facies gneiss?
A) high grade > 600° C
B) intermediate grade
C) "S grade"
D) low grade < 200° C
Correct Answer:
Verified
Correct Answer:
Verified
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