Mountains In The Ocean Floor

Let s get into the list of the world s tallest underwater mountains in the ocean.

Mountains in the ocean floor. On average oceanic crust is only 6 to 7km thick compared to 35 to 40km for con tinental crust. Other articles where ocean floor is discussed. Spanning 40 389 miles around the globe it s truly a global landmark. 3950m tall peak reaches 420 m below the ocean surface.

2 see answers rahulkumar9486 rahulkumar9486 answer. Pitcairn islands bounty seamount. They are defined by oceanographers as independent. A seamount is a large geologic landform that rises from the ocean floor but that does not reach to the water s surface and thus is not an island islet or cliff rock seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1 000 4 000 m 3 300 13 100 ft in height.

But it s only a matter of time before we have mapped the surface of the ocean floor in the same way that seafaring explorers mapped distant lands. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. About 90 percent of the mid ocean ridge system is under the ocean. These underwater mountains called seamounts rise thousands of feet from the sea floor and stand waiting as they have for millions of years to be explored.

The mid atlantic ridge for instance separates the north american plate from the eurasian plate and the south american plate from the african plate the east pacific rise is a mid ocean ridge that runs through the eastern pacific ocean and separates the pacific plate from the north american. Exploration of the seafloor and the earth s crust. This system of mountains and valleys criss crosses the globe resembling the stitches in a baseball. Brittle stars and deep sea corals cover a known seamount in the western pacific ocean.

The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. Noaa scientists have discovered thousands of new mountains in the unlikeliest of places. Which mountains were formed by the ocean floor pushing against the arabian plate. The ocean floor was being pulled or pushed into the mantle were it was heated to form magma which in turn generated volcanoes.

Mountains plains channels canyons exposed rocks and sediment covered areas. The ocean basins are characterized not only by lying in deep water the ocean floor averages about 4km below sea level but also by being underlain by a thin layer of crust. The lack of weathering and erosion in most areas however allows geological processes to be seen more clearly on. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor.

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.