The Youngest Part Of The Ocean Floor Is Found

The youngest part of the ocean floor is found.

The youngest part of the ocean floor is found.

This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet. Where earth s magnetic field changes polarity. Cratons are therefore always found within continents.

Plates slide past one another at. The youngest crust of the ocean floor can be found near the seafloor spreading centers or mid ocean ridges as the plates split apart magma rises from below the earth s surface to fill in the empty void. Oceanic crust the outermost layer of earth s lithosphere that is found under the oceans and formed at spreading centres on oceanic ridges which occur at divergent plate boundaries. It is composed of several layers not including the overlying sediment.

Near ocean ridges d. A craton is a stable part of the continental lithosphere which has survived several cycles responsible for the merge and the dislocation of supercontinents. This dataset shows the age of the ocean floor along with the labeled tectonic plates and boundaries. The downward part of a convection current causes a sinking force that.

Near ocean ridges is defined as the study of the history of earth s magnetic field. The youngest part of the ocean floor is found. The oldest continental rocks are found in cratons. Because of this the youngest sea floor can be found along divergent boundaries such as the mid atlantic ocean ridge.

Some cratons in canada and greenland shelter the oldest continental rocks in the world about 4 billion years old. Where earth s magnetic field changes polarity. The spreading however is generally not uniform causing linear features perpendicular to the divergent boundaries. Oceanic crust is about 6 km 4 miles thick.

The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. Along deep sea trenches b.