A very long- lived magma source located deep in the mantle is called a ________.
A)hot spot
B)magma welt
C)basalt spout
D)melt well

Question

Quizplus · Accepted Answer

A hot spot is a region in the Earth's mantle where magma rises up to the surface over a long period of time, creating active volcanic areas. Hot spots are thought to be related to long-lived sources of mantle melting, which can persist for tens of millions of years.

A Very Long- Lived Magma Source Located Deep in the Mantle