Structure Of Ocean Floor Information

On earth an ocean is one of the major conventional divisions of the world ocean these are in descending order by area the pacific atlantic indian southern antarctic and arctic oceans.

Structure of ocean floor information.

Three quarters of the earth consists of ocean water. The outer rocky layer of the earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jig saw puzzle floating on top of the earth s hot flowing mantle. Continental margin and oceanic divisions. The ocean floors can be divided into four major divisions.

All these details are incorporated on underwater topography maps. Mountains plains channels canyons exposed rocks and sediment covered areas. Plate tectonics and the ocean floor bathymetry the shape of the ocean floor is largely a result of a process called plate tectonics. The lower gabbro layer has a stratified structure and evidently represents the floor or sides of the magma chamber.

Ocean floor configuration divisions of the ocean floors an oceanic basin is the land surface under an ocean that includes the topography under the water. Known as manganese nodules they are composed of layers of different metals like manganese iron nickel cobalt and copper and they are always found on the surface of the ocean floor. The ocean floor covers more than 70 percent of the planet s surface. Here are 15 crazy facts about the ocean floor.

An ocean is a body of water that composes much of a planet s hydrosphere. This video examines the different types of features in the ocean primarily on the ocean floor. The ocean floor has the same general character as the land areas of the world. The phrases the ocean or the sea used without specification refer to the interconnected body of salt water covering the.

The ocean floor is continually being formed and destroyed. This layered structure is called cumulate meaning that the layers which measure up to several metres thick result from the sedimentation of minerals out of the liquid magma. Science has established that the topography of the ocean floor is similar to the ground topography with features such as valleys mountains and plateaus. Like dry land the ocean floor has various features including flat plains sharp mountains and rugged canyons fig.

For more free educational resources visit http lincolnlear. However the lowest point in the world ocean is much deeper than the highest point on land. Cosmogenous sediments are the remains of space debris such as comets and asteroids made up of silicates and various metals that have impacted the earth.