Multiple Choice
Which of the following is NOT true of calderas? 
A) They are produced by removal of easily eroded pyroclastic materials
B) They commonly contain layers of volcanic ash and volcanic domes.
C) They are bounded by steep topographic scarps with a generally basin-shaped outline.
D) They form from the collapse of the ground surface into an emptied magma chamber below.
Correct Answer:
Verified
Correct Answer:
Verified
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