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Best Answer:When two plates carrying oceanic crust collide, the resultis that one goes underneath the other - probably causinga tsunami - or an underwater earthquake.
oceanic
The collision of two oceanic crusts causes the formation of an island arc as one is forced to move over the other.
When two oceanic crusts collide, the older plate is forced under the younger one and is pulled under it, forming a subduction zone. This leads to the formation of chains of volcanic islands known as island arcs.
When two plates collide, or come together, the plates will push upward, forming a mountain. If one plate is continental crust and the other is oceanic crust, the less dense crust (this being the oceanic) will actually move under the more dense crust, in a process called subduction, to form a deep-ocean trench.
One plate is forced under the other. This is called subduction.
oceanic trenches occur where tectonic plates collide and one is pushed underneath the other.
A convergent boundary of two plates will push together. If it is two continental crusts, then they will both push upward, forming mountains. If it is a continental crust pushing against an oceanic crust, then the oceanic crust will go underneath, melt, and be recycled because the oceanic crust is less dense than the continental crust.
because the ocean base is hevier than the other crust
It creates mountians
armageddon
When two continental plates collide they form mountains .