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What is unique about the Mariana Trench?

How old is the Mariana Trench?

One reason the Mariana Trench is so deep, he added, is because the western Pacific is home to some of the oldest seafloor in the world—about 180 million years old.Apr 7, 2012

What is the Mariana Trench facts for kids?

The Mariana, or Marianas, Trench is a deep-sea trench in the floor of the western North Pacific Ocean. It is located about 124 miles (200 kilometers) east of the Mariana Islands. It is the deepest such trench known on Earth and thus the deepest known point in the ocean. ... Its average width is 43 miles (69 kilometers).

How dark is the Mariana Trench?

The greatest ocean depth ever measured, at the Mariana Trench in the Western Pacific, is about 11,000 meters, almost seven miles!) Below the photic zone, from 200 to 1,000 meters, is the aphotic (a meaning without and photic meaning light) zone. ... After the aphotic zone, there's complete darkness.

What was found in the Mariana Trench?

The organisms discovered in the Mariana Trench include bacteria, crustaceans, sea cucumbers, octopuses and fishes. In 2014, the deepest living fish, at the depth of 8000 meters, Mariana snailfish was discovered near Guam.Jan 12, 2021

image-What is unique about the Mariana Trench?
image-What is unique about the Mariana Trench?
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Who discovered Mariana Trench?

Everest, the Mariana Trench was first pinpointed in 1951 by the British Survey ship Challenger II. Known since as Challenger Deep, it was not visited for nearly ten years. Jacques Piccard and Don Walsh descended in a submersible called the Trieste, which could withstand over 16,000 pounds of pressure per square inch.

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Are there monsters in the Mariana Trench?

Despite its immense distance from everywhere else, life seems to be abundant in the Trench. Recent expeditions have found myriad creatures living out their lives at the bottom of the sea-floor. Xenophyophores, amphipods, and holothurians (not the names of alien species, I promise) all call the trench home.Jan 15, 2020

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How was the Mariana Trench The deepest spot on Earth formed?

The Mariana Trench was formed through a process called subduction. Earth's crust is made up of comparably thin plates that “float” on the molten rock of the planet's mantle. While floating on the mantle, the edges of these plates slowly bump into each other and sometimes even collide head-on.Oct 17, 2017

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What two plates formed the Mariana Trench?

The Mariana Trench, in the South Pacific Ocean, is formed as the mighty Pacific plate subducts beneath the smaller, less-dense Philippine plate. In a subduction zone, some of the molten material—the former seafloor—can rise through volcanoes located near the trench.Jul 13, 2015

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Is Megalodon in the Mariana Trench?

According to website Exemplore: “While it may be true that Megalodon lives in the upper part of the water column over the Mariana Trench, it probably has no reason to hide in its depths. “There's no food for it down there, and no other shark species are known to thrive that deep.Aug 15, 2018

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Why is it called the Mariana Trench?

The Mariana Trench is named after the nearby Mariana Islands, which are named Las Marianas in honor of Spanish Queen Mariana of Austria, widow of Philip IV of Spain.

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What is the color of the Mariana Trench?

Mariana Trench's ocean floor has a yellowish color to it because of all the decaying plants and animals, animal skeletons, and shells that are continuously deposited there.

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What fish are in the Mariana Trench?

In the Mariana Trench—7,000 meters below the ocean's surface—these fish makes a living in total darkness and at crushing pressures that can reach 1,000 times more than at sea level. But the Mariana snailfish is not only abundant in this area; it's the region's top predator.Apr 15, 2019

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Is the Mariana Trench Deeper than the Dead Sea?

The lowest point on land is the Dead Sea that borders Israel, the West Bank and Jordan. It's 420 meters below sea level. The lowest point on the Earth's crust is the Mariana's Trench in the North Pacific Ocean. ...Jun 12, 2008

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What caused the Mariana Trench?

  • The Mariana Trench. This trench was produced by subduction, a process caused by the collision between the continental lithosphere and the oceanic lithosphere, that caused that the oceanic lithosphere is forced down into the mantle, and there, it’s destroyed because it melts with the magma. As a result by this subduction process,...

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How was the Mariana Trench became Earth's deepest point?

  • One reason the Mariana Trench is so deep, he added, is because the western Pacific is home to some of the oldest seafloor in the world-about 180 million years old. Seafloor is formed as lava at mid- ocean ridges. When it's fresh, lava is comparatively warm and buoyant, riding high on the underlying mantle.

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What are few abiotic factors of the Mariana Trench?

  • Some abiotic factors in the Mariana Trench are average temperature, hydrothermal vents, and wind patterns. For some of the abiotic factors, I will be using the Northern Mariana Islands, because some of the abiotic factors I can't acquire. The average temperature in the Mariana Islands is 75 °F.

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What kind of fish are in the Mariana Trench?

  • Fish A wide variety of fish live in the waters of the Islands Unit. Pelagic fishes include blue marlin, sharks, mahimahi, spearfish, sailfish, and wahoo. The waters of Farallon de Pajaros (also known as Uracas), Maug , and Asuncion support some of the largest biomass of reef fishes in the Mariana Archipelago .

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