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They occur when the convection currents are less dense and rise.

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15y ago

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Related Questions

At which type boundary do mid-ocean ridges occur?

divergent


What is a boundary where 2 plates move apart?

It is called a divergent plate boundary.


Which type of boundary do mid-ocean ridges occur?

divergent


What type of boundary is formed when plate separate?

Divergent boundary is formed


What type of boundary occurs between the max a plate and the South American plate?

Convergent on the western perimeter, divergent on the Easter perimeter.


Which type of plate boundary does rift volcanism occur?

Divergent plate boundaries n_n ;*


Can a convergent boundary turn into a divergent boundary?

No, convergent boundaries occur where plates move toward each other and collide or subduct, while divergent boundaries occur where plates move away from each other. It is not possible for a convergent boundary to turn into a divergent boundary because the underlying plate tectonics processes are fundamentally different.


What are the 3 types of convergence?

The three types of convergence are convergent boundary, divergent boundary, and transform boundary. Convergent boundaries occur when tectonic plates collide, divergent boundaries occur when tectonic plates move away from each other, and transform boundaries occur when tectonic plates slide past each other horizontally.


What is a sentence with the word divergent boundary?

Often, a divergent boundary within a continent will produce rifts, which will produce rift valleys. A divergent boundary may also be referred to as an extensional boundary, a constructive boundary, or a divergent plate boundary.


Which type of boundaries is seafloor created by?

Seafloor is created at divergent plate boundaries called the mid-ocean ridges.


What boundary is it called when new crust is being formed?

Divergent Boundary, (Constructive Boundary).


Are earthquakes divergent convergent or transform?

Earthquakes occur at all three types of plate boundary.