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Oceanic crust is formed primarily of basalts (density= 3.3 g/cm^3) and is therefore denser than that of continental crust, which is composed mainly of granite (density= 2.7 g/cm^3). This will result in a subduction zone, where the oceanic crust will be subducted underneath the continental crust and be recycled into the asthenosphere. At these locations its typically to see deep trenches and volcanic arcs.
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What forms from collision of continental crust and oceanic crust?
A basic mountain should be formed from the collision of continental crust and oceanic crustAnswerWhen an oceanic and a continental crust collide, the heavier oceanic crust tends to subduct under the lighter continental crust. Because of the collision and corresponding compression and also because of volcanism related to dehydration and melting of the subducted plate a mountain range is formed. The Andes mountain range is a, if not the, most typical example.
What happens when a plate of oceanic crust collides with a plate of the continental crust and why does this happen?
When oceanic crust collides with continental crust, the denser oceanic crust is forced beneath the continental crust in a process called subduction. This happens because oceanic crust is heavier, colder, and more dense than continental crust, making it susceptible to being subducted under the lighter continental crust. This collision can result in the formation of mountain ranges, volcanic arcs, and deep ocean trenches.
When a continental crustal plate collides with an oceanic crustal plate the continental crust is forced to move over the oceanic crust What is the primary reason that the continental crust stays on?
The continental crust is less dense and thicker than oceanic crust, which allows it to stay on top during a collision. The low density and greater thickness of continental crust help it resist subduction beneath the oceanic crust.
What would be expected to result from a collision between a continental lithospheric plate and a oceanic lithospheric plate?
Typically the less dense continental plate would stay afloat while the denser oceanic plate would be submerged below. This can result in volcanic eruptions at the subduction zone due to oceanic crust undergoing increased pressure and temperatures as it descends below the continental crust.
What is the primary reason why the oceanic crust subducts below the continental crust and not vice versa when they collide together?
The oceanic crust subducts beneath the continental crust due to its higher density. Oceanic crust is basaltic and has a specific gravity of 3.3. Continental crust is granitic and has an average specific gravity of 2.9.
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 forms from collision of continental crust and oceanic crust?
A basic mountain should be formed from the collision of continental crust and oceanic crustAnswerWhen an oceanic and a continental crust collide, the heavier oceanic crust tends to subduct under the lighter continental crust. Because of the collision and corresponding compression and also because of volcanism related to dehydration and melting of the subducted plate a mountain range is formed. The Andes mountain range is a, if not the, most typical example.
What happens when a plate of oceanic crust collides with a plate of the continental crust and why does this happen?
When oceanic crust collides with continental crust, the denser oceanic crust is forced beneath the continental crust in a process called subduction. This happens because oceanic crust is heavier, colder, and more dense than continental crust, making it susceptible to being subducted under the lighter continental crust. This collision can result in the formation of mountain ranges, volcanic arcs, and deep ocean trenches.
When a continental crustal plate collides with an oceanic crustal plate the continental crust is forced to move over the oceanic crust What is the primary reason that the continental crust stays on?
The continental crust is less dense and thicker than oceanic crust, which allows it to stay on top during a collision. The low density and greater thickness of continental crust help it resist subduction beneath the oceanic crust.
Why does ocean crust dive below continental crust?
The ocean crust dives below the continental crust due to a collision. This collision involves the two types of crust and since the oceanic crust is denser, it sinks to the bottom while the less dense continental crust rises to the top.
What two types of crust result you subduction?
oceanic and continental
What is the outcome of the collision between oceanic and continental crust?
Usually subduction of the denser thinner oceanic crust under the lighter thicker continental crust. This also produces a row of volcanoes in the continental crust producing lava high in water content and resulting in explosive eruptions.
What is the process of a oceanic plate colliding with a continental plate?
Its when the oceanic crust and the continental crsut colide together.
What would be expected to result from a collision between a continental lithospheric plate and a oceanic lithospheric plate?
Typically the less dense continental plate would stay afloat while the denser oceanic plate would be submerged below. This can result in volcanic eruptions at the subduction zone due to oceanic crust undergoing increased pressure and temperatures as it descends below the continental crust.
What is the difference between the continental crust and the oceanic crusts?
Most significantly, there is a material difference in the weight and density of the two types of crust. This manifests itself when tectonic movement brings oceanic in continental plates into collision. Oceanic crust is relatively denser but typically about 100km this. Continental crust is lighter but almost twice as thick--about 200km.
Oceanic crust is lighter than the continental crust?
No, the oceanic crust is denser. That's why the land areas "float" so much higher than the ocean bedrock.
What happens to the leading edges of convergent plates as they collide?
This depends on what material (oceanic crust or continental crust) the leading edges are made of. When Continental crust hits Continental crust (eg India ploughing into Asia) the crust thickens by thrusting and folding and a mountain belt forms (the Himalayas). There is little or no volcanic activity associated with this sort of collision. When Oceanic crust meets Continental crust (eg the Pacific plate and the west coast of South America), the oceanic crust sinks below the continental crust forming an oceanic trench on the oceanic side (a subduction zone) and a mountain belt on the continental side (by folding and uplift). This sort of collision produces a large amount of volcanic activity. When Oceanic Crust meets Oceanic Crust, the actively spreading side sinks below the stationary side to form a back arc basin associated with island arcs and subduction zones (eg the Caribbean or the east of Papua New Guinea). This sort of collision also involves a large amount of volcanic activity.
