A(n) ____ is a very large column of superheated mantle that originates at the boundary of the core and mantle.
A) Volcano
B) Plume
C) Asthenosphere
D) Ridge

Question

Quizplus · Accepted Answer

A mantle plume is a large column of superheated mantle. The largest of these plumes are known as superplumes. There is a superplume that lifts all of Africa. These are mediums for heat from the core and are thought to resupply the asthenosphere. Information can be found in the section The Confirmation of Plate Tectonics.

A(n) ____ Is a Very Large Column of Superheated Mantle