UPSC IMPORTANT QUESTIONS: ”It is a large, more or less a circular depression or basin associated with a volcanic vent. Its diameter is many times bigger than that of included vents. They are believed to be formed as a result of subsidence or collapse”.This definition pertains to:

”It is a large, more or less a circular depression or basin associated with a volcanic vent. Its diameter is many times bigger than that of included vents. They are believed to be formed as a result of subsidence or collapse”.This definition pertains to:

a)Caldera

b)Guyot

c)Underwater Volcano

d)None of the above

Ans-[A]

Explanation- It is definition of caldera.

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