What is the source of flood basalts associated with oceanic plateaus?
A)Decompression melting associated with seafloor spreading
B)Partial melting associated with subduction
C)Impact heating from a meteorite strike
D)The melting of the head of a mantle plume

Question

Quizplus · Accepted Answer

The melting of the head of a mantle plume is the source of flood basalts associated with oceanic plateaus. As the plume rises through the mantle, it melts and forms magma that can erupt on the seafloor and create large volcanic plateaus.

What Is the Source of Flood Basalts Associated with Oceanic