The relatively thin part of the earth’s crust that underlies the ocean basins. It is geologically young compared with the continental crust and consists of basaltic rock overlain by sediments.
More example sentences
- In contrast to the continental crust, the oceanic crust is young, thin, and chemically magnesium-rich.
- Enormous pressures are produced in this region, for the continental crust and the oceanic crust are moving toward each other.
- The continental slope connects the continental shelf and the oceanic crust.
Definition of oceanic crust in:
- The British & World English dictionary