Structure Of Ocean Floor Information

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Structure of ocean floor information.

This video examines the different types of features in the ocean primarily on the ocean floor. The lower gabbro layer has a stratified structure and evidently represents the floor or sides of the magma chamber. 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.

The ocean floor covers more than 70 percent of the planet s surface. Mountains plains channels canyons exposed rocks and sediment covered areas. The phrases the ocean or the sea used without specification refer to the interconnected body of salt water covering the. However the lowest point in the world ocean is much deeper than the highest point on land.

Here are 15 crazy facts about the ocean floor. 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. An ocean is a body of water that composes much of a planet s hydrosphere. The ocean floor has the same general character as the land areas of the world.

Science has established that the topography of the ocean floor is similar to the ground topography with features such as valleys mountains and plateaus. If mount everest was placed in the deepest part of the ocean its peak would be covered by over 7000 feet of seawater. The ocean floors can be divided into four major divisions. 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.

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 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. 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. Like dry land the ocean floor has various features including flat plains sharp mountains and rugged canyons fig.

Three quarters of the earth consists of ocean water. Plate tectonics and the ocean floor bathymetry the shape of the ocean floor is largely a result of a process called plate tectonics. Continental margin and oceanic divisions.