mantle plume

American  

noun

Geology.

1. plume.

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mantle plume British  

noun

1. another name for plume

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Etymology

Origin of mantle plume

First recorded in 1970–75

Example Sentences

Notably, this happened without the presence of a deep mantle plume, challenging long-held assumptions about the source of such volcanism.

From Science Daily

He added, "The eruption of lava flows that covered half of the Indian subcontinent at this time — producing the celebrated Deccan Traps, one of the largest volcanic features on Earth — have long been attributed to a powerful mantle plume that is completely absent from the model simulation."

From Salon

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

Scientists have long thought water under the Martian surface takes the form of ice, but a warm mantle plume could heat pockets of water enough to make it liquid.

From Scientific American

All this evidence is consistent with a mantle plume.

From Scientific American