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