Oceanic crust generally does not last longer than 200 million years.

Oceanic crust that no one has ever seen before!

At ridges in the middle of oceans, new oceanic crust is created.

It is an essential part of the oceanic crust.

The analysis also led the scientists to conclude that the impact occurred in the oceanic crust.

So they had never been able to confirm their theories of how oceanic crust is formed.

Upper mantle and oceanic crust are exposed along this bank.

Geologically, an ocean is an area of oceanic crust covered by water.

New oceanic crust moves away from the spreading center.

Both the continental and oceanic crust "float" on the mantle.

The oceanic crust is moving away from the Explorer Ridge to either side.

Beneath the wedge are several seismic layers within the oceanic crust.

Sumbawa island is flanked to both the north and south by the oceanic crust.

They form the upper part of 'Layer 2' of normal oceanic crust.

Oceanic crust has a smaller amount of silicon (mafic rock).

Only a small portion of the oceanic crust produced in the Atlantic is subducted.

The rocks here were part of the oceanic crust and mantle, normally not exposed on the Earth's surface.

The oceanic crust contains the largest aquifer on Earth.

An example of this is Iceland where oceanic crust has been identified as being up to 40 km thick.

Because the ocean floors are mainly sima, it is also sometimes called the 'oceanic crust'.

The oceanic crust of the sheet is different from its continental crust.

Its purpose is to gather sufficient information to answer questions about magma chambers in oceanic crust.

The combination of these processes continually recycles the oceanic crust back into the mantle.

It has formed as part of the oceanic crust and mantle was buckled upwards.

Another proposed cause was subduction of thickened oceanic crust.