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There's no one English word that describes the deepest parts of the Earth's oceans, but geologically they're usually referred to as "deep-sea trenches."

The deepest area in the ocean is called the Mariana Trench, and is 11,033 m deep (36,198 ft). Here is a link to the 30 deepest points in the ocean: http://en.wikipedia.org/wiki/List_of_deepest_ocean_trenches.

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Where are rat tail fish found?

deepest part of the ocean floor called the abyssal plains.


What are the deepest part of the ocean floor?

The deepest parts of the ocean floor are caused by plate tectonic subduction and occur where the sea floor sinks back into the mantle in a subduction zone. These areas are called deep sea trenches and the Challenger Deep in the Mariana Trench in the Pacific is the deepest known point in Earth's oceans.


What is the deepest known portion of the ocean floor called?

Challenger deep.


What is the name of canyons that form the deepest part of the ocean floor?

The Marianas trench .


What is it called At 362011 feet the deepest known portion of the ocean floor?

The deepest known portion of the ocean floor is called the Challenger Deep, located in the Mariana Trench in the western Pacific Ocean. It reaches a depth of approximately 36,201 feet (11,034 meters) below sea level.


What is the name of a canyon that form the deepest part of the ocean floor?

The Marianas trench .


What is the top layer of the ocean floor is called?

The top layer of the ocean floor is called the "abyssal zone" or "abyssal plain." This region is characterized by flat, sediment-covered areas that lie below the continental shelf. The abyssal zone is the deepest part of the ocean floor and is typically found at depths greater than 4,000 meters.


What is ocean's trench?

Ocean trench is a long, narrow and deep depression in the ocean floor.


What kind fish live in the mariana trench in the Atlantic ocean?

All sorts of fish, but actually, the Mariana Trench is in the Pacific Ocean, unless you meant the Puerto Rico Trench. The deepest Part of the Atlantic Ocean. Let me tell you the deepest part of the five oceans The deepest part of the Pacific Ocean is the Mariana Trench. The Pacific Ocean is the biggest and deepest of the five oceans. Its the biggest and deepest ocean in the world The deepest part of the Atlantic Ocean is the Peurto Rico Trench. The Atlantic Ocean is the second biggest and deepest of the five oceans and the world The deepest part of the Indian Ocean is the Java Trench. The Indian Ocean is the third biggest and deepest of the five oceans and the world The deepest part of the Southern Ocean has a silly name, the South Sandwich Trench. The Southern Ocean is also known as the Antarctic Ocean The deepest part of the Arctic Ocean is the Eurasia Basin. The Arctic Ocean is the smallest and shallowest of the five oceans.


Why is the Marianas trench famous?

It is the deepest trench in the whole ocean.


What is Deepest part of the oceans?

Oceanic crust


Where is deepest part of the ocean?

Pacific Ocean