Multiple Choice
A sillimanite hornfels would_______ .
A) usually form from the complete subduction of ocean crust deep into the mantle
B) lie on the outermost edge of a contact aureole where hornfels are preserved
C) lie entirely within the core of the contact aureole occupied by the high grade
D) be formed at the highest grade of regional metamorphism
Correct Answer:
Verified
Correct Answer:
Verified
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Q19: A _ forms at very high pressures
Q20: Which one of the following statements is
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