What happens when two oceanic plate boundaries meet?
A subduction zone is also generated when two oceanic plates collide — the older plate is forced under the younger one — and it leads to the formation of chains of volcanic islands known as island arcs. Examples include the Mariana Islands in the western Pacific Ocean and the Aleutian Islands, off the coast of Alaska.
What happens to the two oceanic plates as they collide?
When two oceanic plates collide one oceanic plate is eventually subducted under the other. Where one plate slides under the other is referred to as the 'subduction zone'. As the subducting plate descends into the mantle where it is being gradually heated a benioff zone is formed.
What happens when two oceanic convergent?
Ocean-Ocean Convergence Two oceanic plates may collide. In this case, the older plate is denser. This plate subducts beneath the younger plate. As the subducting plate is pushed deeper into the mantle, it melts.
What is it called when two plates collide?
A convergent plate boundary is formed when tectonic plates collide.
What geologic features are formed in oceanic oceanic convergence?
The features of an ocean-ocean subduction zone are the same as those of an ocean-continent subduction zone, except that the volcanic arc will be a set of islands known as an island arc. The older plate subducts into a trench, resulting in earthquakes. Melting of mantle material creates volcanoes at the subduction zone.
What happens when two oceanic plates collide quizlet?
When two oceanic plates collide, the denser plate is subducted and some material rises upward and forms an ISLAND.
What is formed on the oceanic side when oceanic and continental collide?
Trench is formed on the oceanic side when oceanic and continental crust collide. Explanation: … At the subduction boundary a deep ocean trench forms.
What would you most expect to find at an ocean ocean convergence?
What would you most expect to find at ocean-continent convergence? magmatic arc.
What does oceanic oceanic form?
Oceanic-Oceanic Convergent Boundary At a convergent boundary between two plates of oceanic lithosphere, the older, denser oceanic plate will always subduct, which will cause earthquakes and form volcanic isles.
What happens when an oceanic plate meets another oceanic plate quizlet?
What happens when an oceanic plate meets another oceanic plate? The older, colder oceanic plate is subducted. What happens when a continental plate meets another continental plate? The two plates are forced upward, and a large mountain range is formed.
What happens when 2 continental plates collide?
Volcanoes and Mountains In areas where oceanic plates collide with continental plates, volcanoes often form, like the volcanoes that circle the Pacific Ocean called the Ring of Fire.
What are two common features found at convergent ocean ocean plate boundaries?
Deep ocean trenches, volcanoes, island arcs, submarine mountain ranges, and fault lines are examples of features that can form along plate tectonic boundaries.
Where does oceanic oceanic convergence occur?
We continue our trip up western North America to find a convergentplate boundary where oceaniccrust subducts beneath oceanic crust. North of the contiguous U.S. lies Canada, and north of Canada lies Alaska. A line of volcanoes, known as the Aleutian Islands, is the result of ocean-ocean convergence.
When plates collide what happens?
The most geologically active regions on Earth are where plates collide. When two oceanic plates converge, the cooler, denser one descends, or subducts, beneath the overriding plate and sinks into the mantle. When an oceanic plate meets a plate with a continent riding atop it, the oceanic plate is again subducted.
What forms when oceanic and continental plates collide?
Volcanoes and Mountains In areas where oceanic plates collide with continental plates, volcanoes often form, like the volcanoes that circle the Pacific Ocean called the Ring of Fire.
What type of plates collide in oceanic oceanic convergence?
At an ocean-ocean convergent boundary, one of the plates (oceanic crust and lithospheric mantle) is pushed, or subducted, under the other (Figure 4.6. 1). Often it is the older and colder plate that is denser and subducts beneath the younger and warmer plate.
What would you most expect to find at ocean ocean convergence?
What would you most expect to find at ocean-continent convergence? magmatic arc.
What geological events are possible with the oceanic oceanic convergence?
The features of an ocean-ocean subduction zone are the same as those of an ocean-continent subduction zone, except that the volcanic arc will be a set of islands known as an island arc. The older plate subducts into a trench, resulting in earthquakes. Melting of mantle material creates volcanoes at the subduction zone.
What is oceanic oceanic convergence?
Oceanic-Oceanic Convergent Boundary An oceanic-oceanic convergent boundary describes a collision between two plates composed of oceanic lithosphere. Even though this boundary involves the same type of lithosphere, one of the plates will still subduct beneath the other.
What geologic features form when two oceanic plates converge?
When two oceanic plates converge, both a trench and a string of volcanoes are formed. These volcanoes can build to produce island chains, such as the Mariana Islands, which are located alongside the Marianas Trench.
What is formed when two tectonic plates collide?
If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, a process known as subduction. Deep trenches are features often formed where tectonic plates are being subducted and earthquakes are common at subduction zones as well.
When two oceanic plates converge What geologic features are formed?
When two oceanic plates converge, both a trench and a string of volcanoes are formed. These volcanoes can build to produce island chains, such as the Mariana Islands, which are located alongside the Marianas Trench.
When two oceanic plates collide what determines which plate Subducts?
If the two plates that meet at a convergent plate boundary both are of oceanic crust the older denser plate will subduct beneath the less dense plate.