What rock is the crust mostly made of
- Continental crust is made mostly of rock
- What rock is the oceanic crust mostly made of
- What rock is the earth's crust mostly made of
- What type of rock is the crust mostly made of
- What type of rock is the continental crust mostly made of
- What type of rock is the earth's crust mostly made of
- What type of rock is the oceanic crust mostly made of
- What two types of rock is the crust mostly made out of
- What kind of rock is oceanic crust mostly made of
- What type of rock is the continental crust mostly made out 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
- What is the name of the rock that the continental crust mostly made up of