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- The above answers are correct, but gauging from the wording of your question, I might be able to word it better for you.
'Subduction Zone' means 'below the seafloor area'. Thats an ocena trench.
'Plate Techtonics' is a term that talks about 'plates' (exactly like your kitchen plate - that where the term comes from) that are where all the land is, all over the earth. The top layer is broken up like a puzzle. Each big puzzle piece is called a 'plate'. "Plate Techtonics" just explains how they interact. Things like volcanos in between each, earthquakes when they shift, and they do, and mountain ranges where they overlap each other is what Plate Techtonics explain. Earth's kitchen is messed up!
Deep Ocean trenches are formed in several ways. When the already formed earth was pulled by the moons or suns gravity too much over time (a lot), two plates may be pulled apart, and maybe a trench would form. Maybe in the ocean. Or underneath where a trench might be is where erosion, the eating away of the dirt by water action (there are currents underwater - right? -, and even under the bottom of the ocean, not all over, but some places) could 'eat away' the dirt below that part of the ocean floor, it would collapse, and a trench would form.
Or, even possibly, but I think unlikely, a water current along the ocena floor could 'dig' the trench, but most known ocean trenches are huge, and this would not be so well known. They are pretty dee, too. Don't let someone tell you one thing, if you think you may really know the answer. But be sure, proove it, too. Ask several friends, people and make your own realistic answer, within reason!
DMS, doveshawk.
What else can I help you with?
How was South Sandwich Trench formed?
The South Sandwich Trench was formed by the process of subduction, where one tectonic plate is forced under another. In this case, the South American Plate is subducting beneath the South Sandwich Plate, creating a deep trench in the ocean floor. Subduction zones like the South Sandwich Trench are common around the Pacific Ring of Fire, where many of the Earth's earthquakes and volcanic activity occur.
Where is the oceans deepest spot?
The deepest spot in the ocean is the Mariana Trench, located in the western Pacific Ocean. The Challenger Deep within the trench is the deepest part, reaching a depth of about 36,000 feet (10,972 meters).
What would be an example of a trench?
The Mariana Trench in the western Pacific Ocean is an example of a trench. It is the deepest known oceanic trench, reaching a depth of about 36,070 feet (10,994 meters). Trenches are long, narrow, and deep natural features on the seafloor, often formed by the tectonic forces of converging plates.
What is the process shown occurring at deep ocean trench?
The process shown occurring at a deep ocean trench is subduction, where one tectonic plate is being forced beneath another into the Earth's mantle. This process is a key element of plate tectonics and is responsible for creating deep ocean trenches and volcanic activity.
What crustal features are formed by plate movement?
Crustal features formed by plate movements include mountain ranges (e.g. the Himalayas created by the collision of the Indian Plate with the Eurasian Plate), mid-ocean ridges (e.g. the Mid-Atlantic Ridge where new oceanic crust is formed), and deep ocean trenches (e.g. the Mariana Trench formed by subduction of the Pacific Plate beneath the Philippine Plate).
What is a island arcs?
it is a string of islands formed above a deep ocean trench
What is the definition of deep-ocean trench?
Deep Trench in the ocean floor. It can sometimes be mistaken for a mid-ocean ridge.
What is the deep ocean trench?
the answer i Izu the trench
What ocean is the challenger deep trench in?
It is in the Mariana Trench!
Which feature is commonly formed at a plate boundary where oceanic crust converges with continental crust?
A deep ocean trench is commonly formed at a plate boundary where oceanic crust converges with continental crust. The oceanic crust is denser and is forced beneath the lighter continental crust, creating a deep trench.
What are the two tectonic plates that formed the Mariana Trench?
The Mariana Trench was formed by the Pacific Plate subducting beneath the Mariana Plate. This subduction process created the deep trench in the western Pacific Ocean.
How do you write ocean trench in a sentence?
The ocean trench is almost 7 miles deep.
What is the deep v shaped valley that lies along the bottom of the ocean?
This iis a trench.Also ocean basin is the deepest part of the ocean.
Which is the second deepest trench of the world?
The deepest trenches in the world are -1 - Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,034 metres deep.2 - Tonga Trench in the south Pacific Ocean at 10,882 metres deep.3 - Philippine Trench (aka Philippine Deep, Mindanao Trench and Mindanao Deep) in the western Pacific Ocean at 10,540 metres deep.
What is the deepest ocean trench that has been discover?
The deepest point on the Earth's surface is Challenger Deep, part of the Marianas Trench in the Pacific Ocean
What is deep oceans trenches?
a deep-ocean trench is a portion of the earth crust
Is an ocean trench twice as deep as the ocean floor?
probably..
