Multiple Choice
A scientist identifies a rock sample as andesite. Why did he do so?
A) He observed that the rock has a lot of silica, making it mafic.
B) He observed that the rock has a lot of silica, making it ultra-mafic.
C) He observed that the rock has a decent amount of silica, making it intermediate.
D) He observed that the sample has little silica, making it felsic.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Most volcanoes are found at or near
Q2: The texture of an igneous rock consisting
Q3: Which of the following is a difference
Q5: A volcanologist extracts a piece of rock
Q6: The lava at Kilauea volcano in Hawaii
Q7: Why is plutonic a synonym of intrusive?<br>A)
Q8: Highly vesicular, intermediate-sized pyroclastic fragments of basalt
Q9: Why do felsic rocks typically have the
Q10: Volcanic is a product of combustion.
Q11: Which process forms pahoehoe lava formations?<br>A) Very