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Oceanic crust is thinner and more dense will continental crust is thicker and less dense.
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What happens when oceanic and continental crust meets?
When oceanic and continental crust meet, a subduction zone is formed where the denser oceanic crust is forced beneath the less dense continental crust. This process typically results in the formation of deep ocean trenches, volcanic arcs, and earthquakes.
What is a characteristic of subduction?
The correct answers are - B. Where oceanic crust meets continental crust, and C. Earthquakes.Subduction zones appear only on places where a crust of lower density (oceanic crust) meets a crust of higher density (continental crust).On the places where the oceanic crust meets the continental crust, the oceanic crust goes beneath the continental crust, this makes changes and readjustments in the inner part of the crust, and plus there's significant pressure from the mantle layer from beneath, so earthquakes are a very common occurrence.Check all that apply. A. Broad river deltas B. Where oceanic crust meets continental crust C. Earthquakes D. Two continents collide
What are typical characteristics of subduction zone?
Where oceanic crust meets continental crust and earthquakes can occur.
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.
What is a continental slide?
A continental slide is the new crust on the earth surface. It happens when two plates below the earth surfaces meets and the boundary became deep trenches.
What happens when oceanic and continental crust meets?
When oceanic and continental crust meet, a subduction zone is formed where the denser oceanic crust is forced beneath the less dense continental crust. This process typically results in the formation of deep ocean trenches, volcanic arcs, and earthquakes.
What is a characteristic of subduction?
The correct answers are - B. Where oceanic crust meets continental crust, and C. Earthquakes.Subduction zones appear only on places where a crust of lower density (oceanic crust) meets a crust of higher density (continental crust).On the places where the oceanic crust meets the continental crust, the oceanic crust goes beneath the continental crust, this makes changes and readjustments in the inner part of the crust, and plus there's significant pressure from the mantle layer from beneath, so earthquakes are a very common occurrence.Check all that apply. A. Broad river deltas B. Where oceanic crust meets continental crust C. Earthquakes D. Two continents collide
What are typical characteristics of subduction zone?
Where oceanic crust meets continental crust and earthquakes can occur.
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.
What happens when oceanic and oceanic crust meets?
Subduction. denser oceanic plate moves under the continental plate. The oceanic plate is submerged into the mantle causing magma to rise to the surface.
What is the effect when an oceanic plate meets a continental plate?
When an oceanic plate meets a continental plate, the oceanic plate is usually forced beneath the continental plate in a process called subduction. This can lead to the formation of deep-sea trenches, volcanic arcs, and earthquakes along the boundary between the two plates.
What is a continental slide?
A continental slide is the new crust on the earth surface. It happens when two plates below the earth surfaces meets and the boundary became deep trenches.
What is the difference between the oceanic crust and continental crust and how does this influence plate boundary interactions?
When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved. 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 crust is a type of crust that is submerged in huge bodies of water, while continental crust is the type of crust beneath the continents. Oceanic crust is thinner but denser, while the continental crust is thicker but lighter. Whenever a continental crust and an oceanic crust meets and collides, they form a convergence zone. The oceanic crust sinks below the continental crust(subduction zone) because it is denser. As it sinks into the mantle, it becomes magma which soon rises up to the surface to stabilize the mantle, thus creating a volcano. The continental crust, being the lighter one, does not sink. It may fold and form mountains. The nature of a convergent boundary depends on the type of lithosphere in the plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone. At the surface, the topographic expression is commonly an oceanic trench on the ocean side and a mountain range on the continental side. An example of a continental-oceanic subduction zone is the area along the western coast of South America where the oceanic Nazca Plate is being subducted beneath the continental South American Plate.
What type of crust can be found on the south American plate where it meets the nazca plate?
At the boundary where the South American Plate meets the Nazca Plate, you can find subduction zones. The oceanic Nazca Plate is being forced beneath the continental South American Plate, forming a destructive plate boundary. This collision results in the formation of deep ocean trenches and the Andes mountain range due to the intense tectonic forces at work.
What happens when oceanic crust meets with oceanic crust?
When oceanic crust meets another piece of oceanic crust, one of the plates is typically subducted beneath the other due to differences in density. This subduction can lead to the formation of deep ocean trenches and volcanic island arcs. The intense pressure and heat at the subduction zone can also result in geological activity, including earthquakes and the creation of magma that may rise to form volcanic islands. Overall, this interaction plays a crucial role in the dynamics of plate tectonics.
Which type of lithosphere are colliding at this boundary?
At a convergent boundary, typically an oceanic lithosphere collides with either another oceanic lithosphere or continental lithosphere. When an oceanic plate meets a continental plate, the denser oceanic plate subducts beneath the continental plate, leading to the formation of deep ocean trenches and volcanic arcs. If two oceanic plates collide, one may subduct beneath the other, resulting in the creation of island arcs.
How does the thickness of oceanic crust compare to the thickness of continental crust?
Oceanic crust is generally thinner, with an average thickness of about 7-10 km, while continental crust is thicker and can range from 20-70 km or more. This difference in thickness is due to variations in composition and density of the crust types.
