Multiple Choice
A scientist identifies a rock sample as very rare. Why did he do so?
A) He observed that the rock is fine grained and has a lot of silica, making it mafic.
B) He observed that the sample is fine grained and has very little silica, making it ultra-mafic.
C) He observed that the rock is coarse grained and has a lot of silica, making it ultra-mafic.
D) He observed that the rock is fine grained and has very little silica, making it felsic.
Correct Answer:
Verified
Correct Answer:
Verified
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