If you drilled into an oceanic plateau, what would you most likely find?
A) a thin layer of oceanic sediment over continental crust
B) andesitic volcanoes buried by turbidity currents
C) a normal thickness of oceanic crust overlain by andesitic volcanoes
D) large amounts of basalt derived from melting in the mantle

Question

Quizplus · Accepted Answer

Oceanic plateaus are typically characterized by large amounts of basalt, which is derived from melting in the mantle. This is because oceanic plateaus are formed by upwelling of magma from the mantle, which cools and solidifies to form basaltic crust.

If You Drilled into an Oceanic Plateau, What Would You