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At the margins of colliding tectonic plates.

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15y ago

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How does a deep-ocean trench form?

They form when the oceanic crust goes under the Continental crust. The oceanic crust then forms the trenches through a process called subduction.


What forms at a subduction zone?

Volcanic arcs and oceanic trenches commonly form at subduction zones.


How does trench formed?

They form when the oceanic crust goes under the Continental crust. The oceanic crust then forms the trenches through a process called subduction.


How does a trench forms?

They form when the oceanic crust goes under the Continental crust. The oceanic crust then forms the trenches through a process called subduction.


What does a convergant boundary form?

There are three types of convergent boundaries: Oceanic, continental, and continental-oceanic convergent boundaries. Continental-continental convergent boundaries form mountain ranges. Continental-oceanic boundaries result in subduction zones and the recycling of lithosphere. The continental side of the boundary may form a mountain range. Oceanic-oceanic form deep oceanic trenches and sometimes volcanoes.


What does the collision of a continental plate and an oceanic plate produce?

when two plates collide they form trenches.


Where are oceanic trenches?

plate tectonics


Deep-oceanic trenches are most abundant around the rim of the?

Deep-oceanic trenches are most abundant around the rim of the Pacific. Deep ocean trenches are surficial evidence for sinking of oceanic lithosphere into the mantle at a subduction zone.


Which can NOT form as the result of oceanic-oceanic convergence?

Continental crust cannot form as a result of oceanic-oceanic convergence. This process typically results in the formation of volcanic island arcs or deep-sea trenches. Continental crust is formed through processes like continental collision and accretion of terranes.


What are the valleys under the ocean called?

They are called trenches.


What landforms do oceanic-oceanic boundaries form?

Oceanic-oceanic boundaries form features such as underwater mountain ranges known as mid-ocean ridges, deep-sea trenches, and volcanic island arcs. These boundaries are characterized by seafloor spreading and subduction processes that shape the Earth's crust and create dynamic geological features.


What causes oceanic trenches?

Deep ocean trenches are made where one plate is submerged under another