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Theory and Evidence of Seafloor Spreading

Seafloor spreading is a geologic process where there is a gradual addition of new oceanic crust in the ocean floor through a volcanic activity while moving the older rocks away from the mid-oceanic ridge. The mid-ocean ridge is where the seafloor spreading occurs, in which tectonic plates—large slabs of Earth’s lithosphere—split apart from each other. Seafloor …

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Atlantic Ocean: Size, Formation, Depth, Islands, Currents, Climate

After the Pacific Ocean, the Atlantic Ocean is the largest ocean on Earth. The Atlantic is divided by the Equator in two rather artificial sections: the North Atlantic and the South Atlantic. Its name derives from Atlantikos (Atlas – the sea beyond the Atlas Mountains), one of the Titans of Greek mythology. Size and Boundaries …

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Pacific Ocean: Size, Formation, Depth, Islands, Currents, Climate

Pacific Ocean is the largest ocean in the world in terms of weight and depth. It covers more than one third of the surface of the Earth and contains more than half of its volume of water. It is usually done, artificially, a division from the line of Equator: the North Pacific and the South Pacific. …

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