a region where oceanic plates sink down into the asthenosphere is called a subduction zone.
Subduction Zone
Is there magnetic stripe son the ocean floor are places where oceanic crust sink back to the mantle
subduction
A subduction zone.
It is denser than continental crust.
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.
density
Subduction.
During an earthquake, sometimes causing a sunami.
As odd as it is to think of things this way, continental lithosphere is more buoyant than oceanic lithosphere. The oceanic lithosphere is more dense.
the oceanic plates are denser than continental plates, therefore, when oceanic plates and continental plates converge, the oceanic will go under the continental plates. But when two oceanic converge either both will rise to form moutains, or both will sink and cause a trench.