Question
Geology Question on Petrology
Which one of the metamorphic facies sequence in order of increasing metamorphic grade defines thermal metamorphism ?
A
Sanidinite → pyroxene hornfels → hornblende hornfels → albite-epidote hornfels
B
Albite-epidote hornfels → hornblende hornfels → sanidinite → pyroxene hornfels
C
Hornblende hornfels → albite-epidote hornfels → pyroxene hornfels → sanidinite
D
Albite-epidote hornfels → hornblende hornfels → pyroxene hornfels → sanidinite
Answer
Albite-epidote hornfels → hornblende hornfels → pyroxene hornfels → sanidinite
Explanation
Solution
The Correct answer is (D): Albite-epidote hornfels → hornblende hornfels → pyroxene hornfels → sanidiniteAlbite-epidote hornfels → hornblende hornfels → pyroxene hornfels → sanidinite