The oceanic crust is composed of

- The oceanic crust is composed of basalt
- The oceanic crust is composed mostly of
- The oceanic crust is composed primarily of
- The oceanic crust is composed mainly of materials rich in
- The oceanic crust is mainly composed of
- The oceanic crust is mainly composed of silicon and
- The oceanic crust is composed mostly of which igneous rock
- The oceanic crust is dominantly composed of granite
- The oceanic crust is composed of what type of rock
- The oceanic crust is primarily composed of the rock known as what
- The earth's oceanic crust is composed mostly of
- Is the oceanic crust composed of granite
- Oceanic crust is composed of dash and dash
- Oceanic crust is composed of rocks
- Oceanic crust is composed of basalt and gabbro