Gabbro<>is<>a dark dense rock that can be found in the oceanic crust$$$a dark dense rock<>can be found<>in the oceanic crust
Continental crust is much older, thicker and less dense than oceanic crust.
Gabbro is a dark dense rock that can be found in the oceanic crust.
Gabbro is a dark dense rock that can be found in what?