What do oceanic-continental boundaries form?
When oceanic crust collides with a continent, an oceanic-continental convergent boundary forms. The oceanic plate is denser, so it undergoes subduction. This means that the oceanic plate sinks beneath the continent, forming a deep ocean trench.
What type of boundary is oceanic-continental?
Convergent boundaries, where two plates are moving toward each other, are of three types, depending on the type of crust present on either side of the boundary — oceanic or continental. The types are ocean-ocean, ocean-continent, and continent-continent.
What happens at oceanic continental convergent boundary?
When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called subduction, occurs at the oceanic trenches. The entire region is known as a subduction zone. Subduction zones have a lot of intense earthquakes and volcanic eruptions.
What landforms are created at oceanic continental convergent boundaries?
The compressional forces stemming from a convergent plate boundary, where two plates collide with one another, can create fold mountains. This may involve the collision of two continental plates or a continental plate and oceanic plate, forcing sedimentary rocks upwards into a series of folds.
What is convergent oceanic continental plate boundary?
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
What type of plates collide in oceanic continental convergence?
When an oceanic and a continental plate collide, eventually the oceanic plate is subducted under the continental plate due to the high density of the oceanic plate.
What happens when oceanic and continental plates collide?
When an oceanic plate converges with a continental plate, the oceanic crust will always subduct under the continental crust; this is because oceanic crust is naturally denser. Convergent boundaries are commonly associated with larger earthquakes and higher volcanic activity.
What is formed when oceanic plate collides with the continental plate?
Click on a diagram on the right to learn more. When an ocean plate collides with another ocean plate or with a plate carrying continents, one plate will bend and slide under the other. This process is called subduction. A deep ocean trench forms at this subduction boundary.
What is oceanic continental convergent?
Oceanic-continental convergent boundaries occur when a tectonic plate primarily composed of oceanic lithosphere collides with a plate with continental lithosphere .
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 is oceanic continental convergent boundary?
When an oceanic plate meets a continental plate?
Convergent boundaries are areas where plates move toward each other and collide. These are also known as compressional or destructive boundaries. Subduction zones occur where an oceanic plate meets a continental plate and is pushed underneath it. Subduction zones are marked by oceanic trenches.
What happens when an oceanic plate collides with a continental plate quizlet?
What happens when an oceanic plate and a continental plate collide? Oceanic plate is subducted and some of the material rises upward and erupts as VOLCANO.
Which of the following features are found at an oceanic continental convergent plate boundary?
Which of the following features are found at an oceanic-continental convergent plate boundary? A continental arc, mountains, and trench.
What happen when oceanic and continental plates collide?
When an oceanic plate and a continental plate converge?
What is oceanic to continental convergence?
Ocean‐continent convergence occurs when oceanic crust is subducted under continental crust. This forms an active continental margin between the subduction zone and the edge of the continent. The leading edge of the continental plate is usually studded with steep andesitic mountain ranges.
What features are formed at oceanic to continental convergent boundaries?
Deep ocean trenches, volcanoes, island arcs, submarine mountain ranges, and fault lines are examples of features that can form along plate tectonic boundaries. Volcanoes are one kind of feature that forms along convergent plate boundaries, where two tectonic plates collide and one moves beneath the other.
What geologic features are formed in oceanic continental convergence?
Subduction of an oceanic plate beneath a continental plate causes earthquakes and forms a line of volcanoes known as a continental arc. The movement of crust and magma causes earthquakes. Remember that the mid-ocean ridge is where hot mantle material upwells in a convection cell.
What is an example of oceanic-continental boundary?
As both plates collide, the denser plate made of oceanic crust is subducted underneath the less dense plate. A perfect example of an oceanic- continental plate boundary is the one between the Cocos Plate and the Caribbean Plate.
What are the main difference between the Oceanic and continental plates?
Oceanic plates are much thinner than the continental plates. When an oceanic plate meets a continental plate at a convergent boundary the oceanic plate is forced under the continental plate and destroyed. The convergent boundaries between ocean and continental plates create subduction zones.
Do the oceans have real boundaries?
The oceans are fairly obvious as the largest bodies are somewhat divided from one another by land features. That gets complicated below 40 degrees south latitude, but since very few live near or sail through that part of the oceans, no one bothers with boundaries. What are demarked as seas are just subsets of oceans, and similarly vague.
What can form at an ocean-ocean convergent boundary?
Indonesian and Philippine archipelagos are formed due to ocean-ocean convergence. In ocean-ocean convergence, the denser plate subducts into the asthenosphere. In the zone of subduction, the rocks undergo metamorphosis and the sediments in the oceanic plate melt to form magma. At the surface magma escapes in the form of volcanic eruptions.