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From the creation of crust by magma at divergent plate boundaries. It has been proposed that when the above crust is created, it creates in the form of an upward pointing wedge of basalt and this wedge forces the plates apart. For a more extensive discussion of this proposal see http://members.tripod.com/~charles_W/ridge.html

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16y ago
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12y ago

The plates move apart due to convection currents in the earths mantle, also if there are earthquakes this can also move the plates, this type of boundary is an constructive plate boundary, this can also be caused by volcano's

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12y ago

Tectonic plates separate from each other or collide with each other because they float on magma, and there are currents in the magma which push on the plates.

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Q: Why do plates separates from each other?
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Related questions

What are boundarys?

A convergent boundary is when two plates collide with each other forming landforms like trenches, or mountains (depends which type of plates converge.)


Can two plates moving away from each other form a volcano?

Yes, but no with each other. They can meet other plates.


What are three ways tectonic plates interact with each other?

When plates slide past each other, move toward each other, and move away from each other.


What are three ways plates can move in relation to one another?

Plates either move towards each other (convergent plates), away from each other (divergent plates) or slide next to each other (transform plates).


What are the three types of earth's plates?

The three types of Earth's plates are convergent plates, where two plates move towards each other; divergent plates, where two plates move away from each other; and transform plates, where two plates slide past each other horizontally.


If two geologic plates are sliding past each other they are at what boundary?

Transform boundary is when the plates are sliding past each other: ↑ ↓; Divergent is when plates are sliding away from each other: ← →; and convergent is when plates are sliding towards each other: → ←. Those are the three main plate boundaries.


What will happen if two plates crashed into each other?

If two plates crashed into each other two possible things can happen: 1 The plates bump into each other and can cause an earthquake. 2 The plates crash, then they go upwards to form a mountain or a volcano. ~Doraexplorer


What are the three types of crustal plates movements?

The three types of crustal plate movements are convergent (plates move towards each other), divergent (plates move away from each other), and transform (plates slide past each other horizontally). These movements are driven by the interactions of tectonic plates at plate boundaries.


How do the plates move to form volcanoes?

The tectonic plates move divergent when they move away from each other, convergent when they are colliding with each other, and trasform when they slide past each other.


What do tectonic plates move?

Tectonic Plates move by trying to push past each other and by trying to slide past each other.


Where plates tectonics move past each other?

Plates tectonics move past each other at transform boundaries, where two plates slide horizontally past each other. This movement can cause earthquakes as the plates grind against each other. An example of a transform boundary is the San Andreas Fault in California.


What are the three types of plate tectonic boundries?

The three types of plate tectonic boundaries are divergent boundaries, where plates move apart; convergent boundaries, where plates collide; and transform boundaries, where plates slide past each other horizontally.