Question
Geology Question on Petrology
The AFM diagram given below shows stability of minerals in the garnet zone. If P, Q, R and S represent the compositions of different pelitic rocks, which of the following is/are characterised by the equilibrium assemblage of muscovite + garnet + biotite + quartz?
A
P
B
Q
C
R
D
S
Answer
P
Explanation
Solution
The correct option is (A): P and (C): R