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Subduction occurs between two oceanic plates primarily due to differences in density and age. The older, colder, and denser oceanic plate is forced beneath the younger, less dense plate when they converge. This process leads to the formation of deep ocean trenches and volcanic arcs. Additionally, the subduction zone facilitates the recycling of the oceanic lithosphere back into the mantle, contributing to plate tectonics.
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What is the name of the process where ocean crust sinks back toward the mantle?
It is called subduction and only occurs in oceanic to oceanic or oceanic to continental plate collisions.
The process of an oceanic plate colliding with and descending underneath a continental plate?
This process is known as subduction. When an oceanic plate collides with and is forced underneath a continental plate, it creates a subduction zone. The descending oceanic plate melts due to the intense heat and pressure, causing volcanic activity and the formation of mountain ranges on the continental plate.
What happens when a plate carrying oceanic oceanic crust collides with a plate carrying continental crust?
The contiental cdrust is forced under the continental crust in a process called subduction.
Differences between oceanic-oceanic and oceanic-continental subduction boundary?
In an oceanic-oceanic subduction boundary, one oceanic plate subducts beneath another oceanic plate. This process can result in volcanic island arcs being formed. In an oceanic-continental subduction boundary, an oceanic plate subducts beneath a continental plate. This can lead to the formation of volcanic mountain ranges on the continental plate.
When continental plates collide what happens to the oceanic crust between them?
When continental plates collide, the denser oceanic crust is usually subducted beneath the less dense continental crust. This process can create subduction zones, where the oceanic crust is forced downward into the mantle. The oceanic crust may melt or be recycled back into the mantle in these subduction zones.
What is the process by which oceanic crust sinks beneath the trenches?
Oceanic crust sinks beneath trenches through a process known as subduction. As oceanic plates collide with continental plates, the denser oceanic plate is forced downward into the mantle due to gravitational pull. This creates a subduction zone where the oceanic crust eventually melts and is recycled back into the mantle.
What is the process called when the oceanic floor sinks into a trench and back into the mantel?
The process is called subduction. Subduction occurs at convergent plate boundaries when one tectonic plate moves beneath another and sinks into the mantle. This process is crucial for the recycling of Earth's lithosphere.
Is oceanic crust slide under oceanic crust during subduction?
Yes, oceanic crust can slide under oceanic crust during subduction at convergent plate boundaries. This process occurs when a more dense oceanic plate descends beneath another oceanic plate, leading to the formation of a subduction zone.
What process is evident at oceanic trenches?
subduction, which is when one tectonic plate is pushed down beneath another tectonic plate.
What occurs when a continental plate collides with an oceanic plate and overtakes it?
When a continental plate collides with an oceanic plate and overtakes it, the denser oceanic plate is forced underneath the continental plate in a process called subduction. This creates a deep ocean trench, volcanic arcs, and earthquakes along the boundary between the two plates. The subduction process can also lead to the formation of mountain ranges on the overriding continental plate.
What happens when a plate carrying oceanic crust collided with a plate carrying continental?
The contiental cdrust is forced under the continental crust in a process called subduction.
The process of an oceanic plate colliding with descending underneath a continental plate?
The answer is subduction.
