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When a continental plate moves over an oceanic plate the oceanic plate is?
When a continental plate moves over an oceanic plate, the denser oceanic plate is typically subducted beneath the continental plate. This process leads to the formation of a trench at the point of subduction and can result in volcanic activity as the subducted oceanic plate melts and causes magma to rise. The interaction between these two plates can also lead to earthquakes due to the stress and friction generated at their boundaries.
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 happens when an oceanic plate moves under a continental plate?
When an oceanic plate moves under a continental plate, a subduction zone is formed. The oceanic plate is forced down into the mantle, where it melts and creates magma. This magma can then rise to the surface, causing volcanic activity on the continental plate.
What is the name of the type of basaltic crust that moves under less dense crust?
The type of basaltic crust that moves under less dense crust is called "oceanic crust." Oceanic crust is primarily composed of basalt and is denser than continental crust, allowing it to subduct beneath the less dense continental crust at convergent plate boundaries. This process is a key aspect of plate tectonics and contributes to geological phenomena such as earthquakes and volcanic activity.
Where does crust move as it becomes denser plate tectonics?
As the Earth's crust becomes denser, it typically moves downward into the mantle in a process known as subduction. This occurs at convergent plate boundaries, where an oceanic plate subducts beneath a continental plate or another oceanic plate. The denser oceanic crust sinks into the mantle, leading to geological phenomena such as earthquakes and volcanic activity.
What happens to the earths crust at a subbduction zone?
In a subduction zone, an oceanic plate moves under another plate (whether continental or oceanic). Sometimes pressure builds up, and earthquakes occur.
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 happens when the oceanic plate moves to the side and the oceanic plate slides past the continental plate?
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What happens when an oceanic plate moves under a continental plate?
When an oceanic plate moves under a continental plate, a subduction zone is formed. The oceanic plate is forced down into the mantle, where it melts and creates magma. This magma can then rise to the surface, causing volcanic activity on the continental plate.
What happens at a destructive margin?
At a destructive margin, also known as a convergent boundary, two tectonic plates collide. One plate is usually forced beneath the other in a process called subduction. This can result in the formation of deep ocean trenches, volcanic arcs, and earthquakes.
When an earthquake occurs?
Earthquakes occur when the earth moves, especially along continental plate boundaries.
What makes up a typical plate that moves across the earths surface?
a section of both continental and oceanic lithosphere
What makes up a typical plate that moves across earths surface?
a section of both continental and oceanic lithosphere
What are oceanic-oceanic and oceanic-continental subduction boundaries?
In the scope of lithospheric plate movements, both boundaries are areas where the more dense of the colliding plates slides under the lighter one, and moves toward the mantle. The melting of the subducted crust as it nears the mantle may cause volcanism either on the sea floor or on the continental land mass. Earthquakes will also result as the subducting rocks break and grind their way past the non-subducting plate rock.
What happens to oceanic and continental plates when they diverge?
When oceanic and continental plates diverge, the oceanic plate moves away from the continental plate, creating a rift. This process can lead to the formation of new oceanic crust as magma rises to fill the gap, resulting in mid-ocean ridges. The continental plate may also experience stretching and thinning, which can create rift valleys. Overall, this divergence contributes to the dynamic nature of plate tectonics and the formation of new geological features.
How does the age of oceanic crust compare to the age of continental crust?
Oceanic crust is generally younger than continental crust. Oceanic crust is continuously formed at mid-ocean ridges through volcanic activity and then gradually moves away from the ridge, undergoing processes that make it relatively young compared to the older continental crust.
Why volcano is a geomorphic process?
it moves crustal materials from place to place
