When an ocean plate and continental plate collide these form?

When an ocean plate and continental plate collide these form?

Collision Zones and Mountains Instead, a collision between two continental plates crunches and folds the rock at the boundary, lifting it up and leading to the formation of mountains and mountain ranges.

When the oceanic plate hits a continental one the continental plate?

Generally, when the oceanic plate hits a continental one, the continental plate uplifts, and the oceanic plate goes beneath it or subducts. When two oceanic plates collide, the older, heavier plate usually subducts beneath the other.

What happened to oceanic plate and continental plate during collision?

When continental and oceanic plates collide, the thinner and more dense oceanic plate is overridden by the thicker and less dense continental plate. The oceanic plate is forced down into the mantle in a process known as “subduction.” As the oceanic plate descends, it is forced into higher temperature environments.

When a continental plate and an oceanic plate collide they can form quizlet?

When 2 continental plates collide neither sink because they both have similar density in each. They will form mountain ranges. When both a oceanic and continental collide the oceanic plate will subduct under the continental because it is more dense, a deep sea trench will usually form.

What happens when 2 continental plates collide quizlet?

a collision between two continental plates crunches and folds the rock at the boundary, lifting it up and leading to the formation of mountains and mountain ranges.

What caused the continents to collide?

In geology, continental collision is a phenomenon of plate tectonics that occurs at convergent boundaries. Continental collision is a variation on the fundamental process of subduction, whereby the subduction zone is destroyed, mountains produced, and two continents sutured together.

What is 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. It mixes with the overlying mantle, and the addition of water to the hot mantle lowers the crust’s melting point and leads to the formation of magma (flux melting).

Why do oceanic plates go under continental plates quizlet?

The denser oceanic plate subducts beneath the less dense continental plate. The oceanic crust sinks into a trench where there is increased heat and pressure which melts the rock into magma.

What happens when two oceanic plates collide?

When two plates converge, the result is called a collision. When two plates collide, the density of the plates determines which one comes out on top. Oceanic crust becomes cooler and denser as it spreads away from the mid-ocean ridge.

Which is heavier an oceanic plate or a continental plate?

Because of their heavy ferromagnesian elements, oceanic plates are much denser than continental plates. The average density of ocean plates is approximately 200 pounds per cubic foot, while continental crust ranges between about 162 and and 172 pounds per cubic foot.

When two oceanic plates collide what forms?

Two oceanic plates converge. Islands form an arc when two oceanic plates converge creating a row of islands above the overriding plate. The older plate, which is heavier and denser, is forced beneath the lighter plate.

What is zone formed where 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. Examples include the Mariana Islands in the western Pacific Ocean and the Aleutian Islands, off the coast of Alaska.