mantle plume
Americannoun
noun
Etymology
Origin of mantle plume
First recorded in 1970–75
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This finding challenges the long-standing idea that Yellowstone sits above a deep mantle plume rising from the core-mantle boundary.
From Science Daily ● Jun. 28, 2026
The team believes this was an early offshoot of what is now the Azores mantle plume.
From Science Daily ● Feb. 23, 2026
It has already identified new seamounts in the northeast Atlantic Ocean that could help track the evolution of the mantle plume that feeds Iceland’s volcanoes.
From Science Magazine ● Apr. 18, 2023
All this evidence is consistent with a mantle plume.
From Scientific American ● Mar. 22, 2023
Since time immemorial, a deeply rooted fountain of superheated rock known as a mantle plume has been torching the underside of the Pacific tectonic plate.
From Washington Post ● Dec. 22, 2022
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