Deepest Feature Of The Ocean Floor

Sediment thickness in the oceans averages about 450 metres 1 500 feet.

Deepest feature of the ocean floor.

The ocean floor is called the abyssal plain. The deepest features of the ocean floor are the trenches that divide the continental plates. The maximum known depth is 10 984 metres 36 037 ft 25 metres 82 ft 6 825 miles at the southern end of a. Only three people have visited the challenger deep the deepest ocean trench in the world.

Geographical activities created deep trenches beneath the ocean that thousands of feet in. Today much of our exploration of the oceans happens using sonar and remotely operated vehicles. Ocean basin ocean basin deep sea sediments. The only exception are the crests of the spreading centres where new ocean floor has not existed long enough to accumulate a sediment cover.

A joint french american crew jacques piccard and don walsh in 1960 and national geographic explorer in residence james cameron in 2012. Oceanic trenches in the ocean are long but narrow topographic depressions on the sea floor the deepest parts of the ocean floor. As plates converge one plate may move under the other causing earthquakes forming volcanoes or creating deep ocean trenches. Oceanic trenches typically extend 3 to 4 km 1 9 to 2 5 mi below the level of the surrounding oceanic floor.

Oceanic trenches are a distinctive morphological feature of convergent plate boundaries along which lithospheric plates move towards each other at rates that vary from a few millimeters to over ten centimeters per year. The ocean basin floor is everywhere covered by sediments of different types and origins. The shifting plates may collide converge move away diverge or slide past transform each other. These oceanographic features are the deepest parts of the ocean floor.

It is crescent shaped and measures about 2 550 km 1 580 mi in length and 69 km 43 mi in width. The challenger deep at the bottom of the mariana trench lies deep in the pacific ocean near the island of guam. The deepest ocean depth to be sounded is in the challenger deep of the mariana trench. Features of the ocean include the continental shelf slope and rise.

The deepest ever sighting of an octopus has been made by cameras on the indian ocean floor. Scientific research submersibles have explored the ocean s deepest trenches but most are designed to reach only the ocean floor. The animal was spotted 7 000m down in the java trench almost 2km deeper than the previous reliable. Many ocean floor features are a result of the interactions that occur at the edges of these plates.

Oceanic trenches are topographic depressions of the sea floor relatively narrow in width but very long. When continental plates pull apart they create major.