And the crust is this layer of solid rock that we live on ... These plates can be oceanic, meaning they're found mainly under the ocean, or continental, and mainly found under land.

The crust is the outside layer of the planet and it's made of solid rock - there are two types of crust, which are oceanic and continental. The mantle is hot, dense, iron and magnesium-rich solid ...

These discoveries challenge our understanding of underwater dynamics and suggest that vast portions of the oceanic crust could harbor complex life ... Cross-section of a lobate lava flow formed by ...

(A) Layers of solid rock which occur within the earth (B) The upper fluid layer of the mantle which transports the tectonic plates (C) The combined layer of crust and solid upper mantle which ...