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They form when the oceanic crust goes under the Continental crust. The oceanic crust then forms the trenches through a process called subduction.
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How did the japan trench form?
Separating Plates
What is trench stretch?
A trench stretch is a long system of trench.
Why was there a support trench?
yes there was, there was usually a base trench, and close by was a suppport trench
What were the parts of a trench?
At the front there was the front line, then there was the support trench and at the back was a reserve trench.
What is the largest trench?
The world's largest trench is the marina trench which is found right above japan.
Related questions
When was DeepOcean created?
DeepOcean was created in 1999.
What is the plural form of trench?
Trenches is the plural form.
What is the name of a canyon that form the deepest part of the ocean floor?
The Marianas trench .
How did the japan trench form?
Separating Plates
What form when a oceanic plate collides with oceanic plate?
a trench will form
What boundary does a deep ocean trench form on?
spreading
What land form is similar to an ocean trench?
a plateau
Which is required for an ocean trench to form?
Subduction.
Where is an ocean trench most likely to form?
Ocean trenches form at areas of subduction.
What type of boundary did the Mariana Trench form along?
Convergent
What type of boundary is the mariana trench form along?
convergent
What plate boundary does a deep ocean trench form on?
spreading
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