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Oceanic crust slides under continental crust during subduction because oceanic crust is?
Matthevv
denser
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∙ 14y ago
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What is the name of the process where ocean crust sinks back toward the mantle?
It is called subduction and only occurs in oceanic to oceanic or oceanic to continental plate collisions.
Why are oceanic plates lower than continental plates?
Because continental plates are denser than oceanic. That is why oceanic and continental plates cause subduction zones.
What is oceanic-oceanic subduction?
Oceanic crust sinking under a plate with continental crust
What type of boundaries are subduction zones associated with?
Convergent oceanic - continental and oceanic - oceanic boundaries.
Differences between oceanic-oceanic and oceanic-continental subduction boundary?
Oceanic to oceanic- one plate sinks under the other Oceanic- Continental ocean crust sinks under the other
The process of an oceanic plate colliding with and descending underneath a continental plate?
The oceanic crust is subducted underneath the continental crust. This process is known as subduction.
Oceanic crust slides under continental crust during subduction because oceanic crust is .?
denser (Apex)
Where do subduction boundarys occur?
There is no such thing as a subduction boundary, there are divergent, convergent, and transform boundaries. When there is a continental-oceanic convergent boundary (when a continental plate and an oceanic plate smash together) the oceanic plate, because it is more dense sinks into deeper layers of the earth. The area where the two plates meet makes a trench which is a subduction zone. The oceanic plate will melt into the earth and because of the excess lava it rises out onto the continent and makes a volcanic mountain and the lava erupts.
What type of boundary forms when an oceanic plate is pushed under a continental plate?
a convergent boundary. The oceanic plate is then subducted under the continental plate because it is denser. This subduction creates earthquakes and volcanoes
Compare and contrast the three plate boundaries?
Oceanic-continental convergence (when an oceanic plate meets a continental plate) & oceanic-oceanic convergence (2 oceanic plates) both involve oceanic plates & subduction. Continental-continental convergence (2 continental plates) involves neither.
What happens when an oceanic plate collides with a continental plate?
when oceanic crust and continental crust collide, the oceanic crust sinks down beneath the continental crust. this is called subduction.
What occurs when a continental plate collides with an oceanic plate and overtakes it?
When a continental plate collides with an oceanic plate and overtakes it, this is known as subduction.
