What rock is the oceanic crust mostly made of July 8, 2019 16 32 64 128 What type of rock is the oceanic crust mostly made of What kind of rock is oceanic crust mostly made of What is the oceanic crust is mostly made up of this rock What is the name of the rock that the oceanic crust mostly made up of The earth's oceanic crust is mostly made of what kind of rock
