Structure Of Ocean Floor Information

All these details are incorporated on underwater topography maps.

Structure of ocean floor information.

Continental margin and oceanic divisions. Three quarters of the earth consists of ocean water. The ocean floors can be divided into four major divisions. Mountains plains channels canyons exposed rocks and sediment covered areas.

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 phrases the ocean or the sea used without specification refer to the interconnected body of salt water covering the. An ocean is a body of water that composes much of a planet s hydrosphere. 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. Here are 15 crazy facts about the ocean floor. The ocean floor covers more than 70 percent of the planet s surface. Plate tectonics and the ocean floor bathymetry the shape of the ocean floor is largely a result of a process called plate tectonics.

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. 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. The average depth of the ocean is around 14000 feet which is equal to the statue of liberty stacked one top of itself forty seven times sc 1. 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. The ocean floor is continually being formed and destroyed. The lack of weathering and erosion in most areas however allows geological processes to be seen more clearly on the seafloor than. This video examines the different types of features in the ocean primarily on the ocean floor.

However the lowest point in the world ocean is much deeper than the highest point on land. Science has established that the topography of the ocean floor is similar to the ground topography with features such as valleys mountains and plateaus. 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.