Multiple Choice
A massive mudstone metamorphosed to biotite hornfels facies would have ________.
A) biotite defining wavy parallel foliations throughout the rock
B) breccia of angular biotite clasts crushed and sheared out of shape
C) irregular spots of randomly oriented biotite platelets called porphyroblasts
D) remnants of biotite, now mostly recrystallized to garnet in discreet layers
Correct Answer:
Verified
Correct Answer:
Verified
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