A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth’s mantle to the surface, solidifying to create new oceanic crust. The Mid-Atlantic Ridge is an example of divergent plate boundaries.
What features are formed at oceanic to oceanic 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.
Which of the following is an example of an oceanic continental convergent plate boundary group of answer choices?
Examples of ocean-continent convergent boundaries are subduction of the Nazca Plate under South America (which has created the Andes Mountains and the Peru Trench) and subduction of the Juan de Fuca Plate under North America (creating the Cascade Range).
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 is the real world example of divergent?
Explanation: The mid-Atlantic ridge lies mostly in the middle of the Atlantic Ocean and is the classic example of a divergent plate boundary. This tells us that a couple of large mantel plumes are at work below the Earth’s surface and these are gradually pulling the crust apart.
What landforms are created by oceanic oceanic?
Continental LandformsOceanic LandformsPlainsAbyssal PlainVolcanoSeamounts (Guyot)
What is oceanic oceanic convergence?
When two plates meet at a convergent plate boundary, the older, denser plate subducts beneath the less dense plate. The features of an ocean-ocean subduction zone are the same as those of a continent-ocean subduction zone.
When an oceanic plate converges with a continental plate?
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.How are oceanic oceanic and oceanic continental convergent boundaries different?
The oceanic plate is pushed under the continental plate and melted. … Continental plates are much thicker that Oceanic plates. At the convergent boundaries the continental plates are pushed upward and gain thickness. The rocks and geological layers are much older on continental plates than in the oceanic plates.
Which is the best example of a convergent plate boundary?The Cascade Mountain Range is a line of volcanoes above the melting oceanic plate. The Andes Mountain Range of western South America is another example of a convergent boundary between an oceanic and continental plate. Here the Nazca Plate is subducting beneath the South American plate.
Article first time published onWhen an oceanic plate digs into Earth's hot interior What occurs?
As the edge of the oceanic plate digs into Earth’s hot interior, some of the rock in it melts. The melted rock rises up through the continental plate, causing more earthquakes on its way up, and forming volcanic eruptions where it finally reaches the surface.
Is Japan oceanic oceanic convergence?
Japan has been situated in the convergent plate boundary during long geohistorical ages. This means that the Japanese islands are built under the subduction tectonics. The oceanic plate consists of the oceanic crust and a part of the mantle beneath it.
What type of mountains are produced by oceanic continental convergence?
The subducting oceanic plate melts as it reenters the mantle. The magma rises and erupts. This creates a volcanic mountain range near the coast of the continent. This range is called a continental arc.
What type of mountains are produced by ocean ocean convergence?
Oceanic Plate Subduction Volcanic mountain ranges form when oceanic crust subducts into the mantle at convergent plate boundaries. The Andes Mountains are a chain of coastal volcanic mountains. They are forming as the Nazca plate subducts beneath the South American plate (Figure below).
What are some examples of divergent plate boundaries?
- Mid-Atlantic Ridge.
- Red Sea Rift.
- Baikal Rift Zone.
- East African Rift.
- East Pacific Rise.
- Gakkel Ridge.
- Galapagos Rise.
- Explorer Ridge.
Which of the following is the best example of divergent plate boundary?
Perhaps the best known of the divergent boundaries is the Mid-Atlantic Ridge. This submerged mountain range, which extends from the Arctic Ocean to beyond the southern tip of Africa, is but one segment of the global mid-ocean ridge system that encircles the Earth.
Which of the following is an example of a divergent plate boundary?
Lithosphere will thicken as more mantle is added. What is the main material being subducted at an ocean-continent convergent boundary? What are two differences between oceanic crust and continental crust? The continental crust is thicker and less dense than oceanic crust.
What is an example of oceanic crust?
Oceanic crust is thin (6 km thick) and dense (about 3.3 g/cm), consisting of basalt, gabbro, and peridotite. They include oceanic sediments (e.g. radiolarites, turbidites) and oceanic crust (e.g. basalt, pillow lava).
What forms when two oceanic plates collide?
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. … Earthquakes generated in a subduction zone can also give rise to tsunamis.
What are the geographical features of the ocean?
Features of the ocean include the continental shelf, slope, and rise. The ocean floor is called the abyssal plain. Below the ocean floor, there are a few small deeper areas called ocean trenches. Features rising up from the ocean floor include seamounts, volcanic islands and the mid-oceanic ridges and rises.
What is oceanic continental plate boundary?
A convergent plate boundary forms where two plates collide. That collision can happen between a continent and oceanic crust, between two oceanic plates, or between two continents. Oceanic crust is always destroyed in these collisions.
What is formed on the oceanic side when oceanic and continental crust collide?
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.
Where do earth's plates slide past each other?
A transform plate boundary occurs when two plates slide past each other, horizontally. A well-known transform plate boundary is the San Andreas Fault, which is responsible for many of California’s earthquakes. A single tectonic plate can have multiple types of plate boundaries with the other plates that surround it.
Where on earth are convergent plate boundaries located?
In the ocean basins, convergent plate margins are marked by deep trenches in the sea floor. The convergent plate boundaries that occur on continents are the collisional mountain belts.
Which of the tectonic plates are made of oceanic plates only?
Some plates are large enough to consist of both continental and oceanic crustal portions (e.g. the African or South American plates) whilst the Pacific Plate is almost entirely oceanic.
What makes the tectonic plates on Earth move?
The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.
What would be the result of the oceanic crust and continental crust converge?
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 subducting plate causes melting in the mantle above the plate. The magma rises and erupts, creating volcanoes.
Which plate undergoes subduction at oceanic oceanic convergent plate boundaries?
Ocean-Continent Convergence Oceanic crust may collide with a continent. The oceanic plate is denser, so it undergoes subduction. This means that the oceanic plate sinks beneath the continent. This occurs at an ocean trench (Figure below).
Is Tonga on the Pacific Plate?
The island archipelago of Tonga sits at the junction of two major tectonic plates – the Indo-Australian plate in the west and the Pacific Plate in the east. It is part of the Pacific “Ring of Fire” that encircles the entire ocean basin.
