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
Plagioclase is concentrated in igneous rocks from the 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?