Is the oceanic crust sill the crust?

Oceanic crust is thinner and more dense, while continental crust is thicker and less dense.

The younger of the two plates, because it is less dense,* will ride over the edge of the older plate.

The Ocean's crust is denser.

Thickness - continental = much thicker Density - oceanic crust is denser than continental, which is why the oceanic crust subducts under the continental at destructive plates boundaries.

There are two main regions of the crust. The top layer (continental crust) riches in silica and aluminium, the lower layer (oceanic crust) riches in silica and magnesium. Both of these crust are the...