火山爆發 Flashcards

1
Q

火山爆發的形成過程中,第一部關於邊界的過程是什麼?

A

在破壞性板塊邊界,板塊相撞,產生擠壓力。/ 在建設性板塊邊界,板塊背離,產生張力。

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2
Q

在火山爆發的形成過程中,板塊邊界產生力後,下一步過程是什麼?

A

地殼產生裂縫或弱線,伸延至上地幔,地幔內積聚的壓力過大時,會向外釋放。

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3
Q

在火山爆發的過程中,當地幔累積的壓力釋放出來後,最後一部過程是什麼,促使火山爆發?

A

岩漿從弱線噴發出至地表,造成火山爆發。

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4
Q

火山按照活躍程度有哪些類型?

A

活火山,睡火山,死火山。

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5
Q

解釋活火山。

A

經常和隨時爆發的火山。

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6
Q

解釋睡火山。

A

長期沒有爆發但有可能突然再爆發。

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7
Q

解釋死火山。

A

推斷所有爆發活動已停止。

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8
Q

火山爆發會噴出那三種物質?(氣、固、液)

A

二氧化硫,火山灰,熔岩。

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