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mantle plume

noun

, Geology.


mantle plume

noun

  1. another name for plume
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of mantle plume1

First recorded in 1970–75
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Example Sentences

Seismic vibrations tend to move more slowly through hotter areas than cooler areas, for example, so a mantle plume would slow their progress.

Because the team drew data from land- and ocean-based sensors—the latter being a traditional hole in seismic imaging—over such a wide area, they form one of the most complete snapshots of a mantle plume to date.

Scientist agree the mantle plumes underlying hotspots are so buoyant and quick-moving they should rise straight up.

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