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Usually when it meets another tectonic plate at a convergent plate boundary. If the oceanic plate converges with a continental plate the denser oceanic plate will be forced under the continental plate.
If it converges with another oceanic plate the older (and therefore cooler and denser) plate will be forced under the younger plate.
What else can I help you with?
When does a part of an oceanic plate sink into the mantle what is the answer?
During an earthquake, sometimes causing a sunami.
Does the old oceanic plates sink into the mantle at mid-ocean ridges in a process called subduction?
No, old oceanic plates do not sink into the mantle at mid-ocean ridges; instead, mid-ocean ridges are the sites of seafloor spreading, where new oceanic crust is formed. Subduction occurs at convergent plate boundaries, where an older, denser oceanic plate sinks beneath a lighter continental plate or another oceanic plate into the mantle. This process helps recycle the oceanic crust and is responsible for the formation of features like deep ocean trenches.
What causes some oceanic plates to sink and others to float?
Oceanic plates sink because they are denser than the underlying mantle, due to cooling and becoming more compact over time. In contrast, other plates float because they are less dense than the mantle material below, allowing them to remain buoyant on top.
What ocean plate and continental plate colliding?
At this type of convergent boundary the oceanic plate will be subducted, or sink into the mantle underneath the continental plate. Volcanoes often form near these boundaries.
What is a rock plate that sinks back into the mantle called?
A rock plate that sinks back into the mantle is called a subducting plate. This process occurs at convergent plate boundaries where denser oceanic plates sink beneath lighter continental plates.
At deep ocean trenches what allows oceanic crust to sink back into the mantle?
Conduction. Heat istransferred from the mantle to the crust, melting it to become part of the mantle.
What kind of plate boundary cost old and heavy crust to sink in to the mantle?
A subduction zone is the plate boundary where old and heavy oceanic crust sinks into the mantle. At subduction zones, oceanic crust is forced beneath another tectonic plate, typically a continental plate, due to differences in density. This process can lead to the formation of deep oceanic trenches and volcanic arcs on the overriding plate.
Why does plates sometime sink into the mantle?
Plates can sink into the mantle at subduction zones because the descending plate is denser than the underlying mantle. This happens because the oceanic crust of the descending tectonic plate is denser than the underlying mantle rock.
Which direction does the Benioff Zone descend from the trench into the mantle?
The Benioff Zone is formed when a piece of oceanic crust is being subducted into the mantle. This line of earthquakes follow the angle of the subducting plate as it slides beneath the continental crust.
When a continental plate and an oceanic plate collide why does the oceanic plate sink below the continental plate?
The oceanic plate is denser than the continental plate due to its composition of heavier mafic rock. This density difference causes the oceanic plate to sink below the continental plate in a process known as subduction.
Is there magnetic strips on the ocean floor are places where oceanic crust sink back to the mantle?
Is there magnetic stripe son the ocean floor are places where oceanic crust sink back to the mantle
Cooler older oceanic lithosphere sink into the mantle at?
Cooler, older oceanic lithosphere sinks into the mantle at subduction zones where two tectonic plates converge. As the denser oceanic plate descends into the mantle, it creates deep ocean trenches and may eventually cause volcanic activity. This process is essential for the recycling of oceanic crust and plays a key role in plate tectonics and the Earth's geological processes.
