Question

What is mantle plume? Explain its role in volcanism, plate movements and earthquakes.

19 Jan 2026
Answer :
Word Count : 473
Mantle plumes are localized, buoyant upwellings of abnormally hot rock that originate from deep within the Earth's mantle, often near the core-mantle boundary. These plumes rise through the mantle due to their lower density compared to the surrounding material and can eventually reach the lithosphere, where they cause significant thermal and mechanical effects on the Earth's crust. The concept of mantle plumes is integral to understanding intraplate volcanism, hotspot formation, and certain tectonic phenomena that cannot be explained ______ ______ ______ _________ ________.
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