what happens when a continental oceanic plate and transform
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- When an oceanic plate meets a continental plate, the oceanic plate gets subducted under the edge of the continental plate. This causes a huge trench to form at the boundary. The oceanic plate reheats and melts as it comes into contact with the molten mantle.
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Earthquakes: tectonic plates Where two tectonic plates converge, if one or both of the plates is oceanic lithosphere, a subduction zone will form. An oceanic plate will sink back into the mantle.
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- The Continental Slide. New crust is continually being pushed away from divergent boundaries (where sea-floor spreading occurs), increasing Earth's surface. But the Earth isn't getting any bigger. What happens, then, to keep the Earth the same size? The answer is subduction. In locations around the world, ocean crust subducts, or slides under, other pieces of Earth's crust. The boundary where the two plates meet is called a convergent boundary. Deep trenches appear at these boundaries, caused by the oceanic plate bending downward into the Earth. Deep below the Earth's surface, subduction causes partial melting of both the ocean crust and mantle as they slide past one another.
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Explanation on oceanic oceanic convergence? Convergence is when two tectonic plates move toward each other and collide. Ocean-ocean convergence is when this collision happens between two plates on the ocean floor. (Ocean-continent, in contrast, is when an oceanic plate collides with a continent, and continent-continent is when two continents collide).est Answer: When two oceanic plates converge one is usually subducted under the other and in the process a deep oceanic trench is formed.
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What happens when 2 oceanic plates diverge? Divergent Plate Boundary - Oceanic: When a divergent boundary occurs beneath oceanic lithosphere, the rising convection current below lifts the lithosphere producing a mid-ocean ridge. Extensional forces stretch the lithosphere and produce a deep fissure. When the fissure opens, pressure is reduced on the super-heated mantle material below.
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- In a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.
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- Oceanic vs. Oceanic Convergent Boundaries. What happens: two oceanic plates collide (converge). One slides below the other and into the Earth’s mantle (this is.
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- Describe what happens when a.two plates carrying oceanic ... Describe what happens when a.two plates carrying oceanic crust collide, b.two plates carrying continental crust collide, and c. a plate carrying oceanic crust ...
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What Is an Oceanic-Oceanic Collision? When the two plates collide, the more dense of the two is forced below the less dense. As this plate is submerged an area is formed, called a benioff zone. This is when the plate is forced into the mantle where it experiences high-intensity heat. This in turn causes the various elements that make up the plate to melt.
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Oceanic/Continental: The Andes The Nazca Plate is moving eastwards, towards the South American Plate, at about 79mm per year. Where the two plates meet, the denser oceanic lithosphere of the Nazca Plate is forced down and under the more buoyant continental lithosphere of the South American Plate, descending at an angle into the mantle in a process called subduction. This is marked on the ocean surface by the presence of the Peru-Chile (or Atacama) Trench.
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Earthquakes: tectonic plates Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle. This happens because the oceanic plate is denser than the continental plate so, as they move together, the oceanic plate is forced underneath the continental plate. In this case, one plate overrides, or subducts the other, pushing it slowly downward into the mantle where it melts to form magma.
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Tectonics Crust is consumed in subduction zones. When two plate move together, one of them must slide under the other one. This is called subduction. When an oceanic plate and a continental plate meet, the denser oceanic plate subducts under the less dense continental plate. The subducting plate slips down into the mantle where it is heated, melts and is recycled. Thus spreading centers and subduction zones act like a conveyor belt, manufacturing crust at one end and consuming it at the other. The deepest parts of the ocean occur in trenches along subduction zones.
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seafloor spreading Subduction happens where tectonic plates crash into each other instead of spreading apart. At subduction zones, the edge of the denser plate subducts, or slides, beneath the less-dense one. The denser lithospheric material then melts back into the Earth's mantle. Seafloor spreading creates new crust. Subduction destroys old crust. The two forces roughly balance each other, so the shape and diameter of the Earth remain constant.
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Chapter 2 - Plate Tectonics Identify each type of convergent plate boundary. Since oceanic plates are denser than the continental plates, they will subduct to great depths when they converge with continental plates. When two oceanic plates converge, the denser of the two will subduct; whereas when two continental plates converge, neither will subduct. Therefore, the resulting geologic feature depends on the types of plates that converge. Depending on the type of plate convergence, different features could result.
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- Stable subduction zones involve the oceanic lithosphere of one plate sliding beneath the continental lithosphere or oceanic lithosphere of another plate due to the higher density of the oceanic lithosphere. Subduction zones drag down subducted oceanic sediments, oceanic crust, and mantle lithosphere that interact with the hot asthenospheric mantle from the over-riding plate to produce calc-alkaline series melts, ore deposits, and continental crust.
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Tectonic Plate Motion The formation of volcanoes is a result of the subduction of the oceanic crust. As the oceanic crust gets forced deeper into the Earth the increasing heat and pressure releases trapped water and gases, the combing effect of which is the crust melting to form magma. This magma rises and accumulates in magma chambers which then feeds and creates volcanoes on the overriding continental plate.
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High School Earth Science/Theory of Plate Tectonics What happens when two plates converge depends on the types of crust that are colliding. Convergence can take place between two slabs of continental lithosphere, two slabs of oceanic lithosphere, or between one continental and one oceanic slab. Most often, when two plates collide, one or both are destroyed.
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Divergent boundaries As with oceanic-continental convergence, when two oceanic plates converge, one is usually subducted under the other, and in the process a trench is formed. The Marianas Trench (paralleling the Mariana Islands), for example, marks where the fast-moving Pacific Plate converges against the slower moving Philippine Plate.he type of convergence -- called by some a very slow collision -- that takes place between plates depends on the kind of lithosphere involved. Convergence can occur between an oceanic and a largely continental plate, or between two largely oceanic plates, or between two largely continental plates.
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Continental collision Continental collision is a variation on the fundamental process of subduction, whereby the subduction zone is destroyed, mountains produced, and two continents sutured together.
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Why do tectonic plates move? If a plate with oceanic lithosphere meets another plate, the dense oceanic lithosphere dives beneath the other plate and sinks into the mantle: this process is called subduction. The sinking oceanic lithosphere drags the rest of the tectonic plate: this is the main cause of plate motion.f a plate with oceanic lithosphere meets another plate, the dense oceanic lithosphere dives beneath the other plate and sinks into the mantle: this process is called subduction. The sinking oceanic lithosphere drags the rest of the tectonic plate: this is the main cause of plate motion.
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Earthquakes: tectonic plates If you look at the convection currents, you'll see that: 1  as the hotter Mantle rises cooler material sinks; 2  the material rises and spreads out while the crust splits and diverges; 3  the plates converge and subduct as the material sinks.
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Chapter 5 Plate Tectonics Section 5 Plate Tectonics When two plates carrying continental crust collide subduction does not take place. Neither piece of crust is dense enought to sink very far into the mantle. Instead the collision squeeses the crust into mighty mountain ranges.
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Why does plate subduction occur? There is how the plate subduction happen, the oceanic crust is denser than continental crust. The different density two of them caused the oceanic crust go down to the continental crust. The analogy is just like a car accident, if the car is dif...
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- As the oceanic plate is subducted sediment is scraped off to form an acretionary wedge at the point of collision between the two plates. When the oceanic plate is subducted due to partial melting of the asthenosphere magma with an andesitic composition is formed.