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.
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
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
Seismic imaging by research teams I’m involved with has shown that Hawaii’s mantle plume comes from deep inside the mantle.
From Scientific American • Dec. 1, 2022
The chain of volcanic complexes and cones extending from Milbanke Sound to Nazko Cone is interpreted as being related to a mantle plume currently situated close to the Nazko Cone, just west of Quesnel.
From Textbooks • Jan. 1, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.