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Convection, the heating and cooling of the astenosphere, a ridge push, at mid ocean ridges oceanic lithosphere slides down due to gravity, slab pull, oceanic lithosphere sinks in the astenosphere and pulls the rest of the tectonic plate with it.

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13y ago
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13y ago

Convection, the heating and cooling of the astenosphere, a ridge push, at mid ocean ridges oceanic lithosphere slides down due to gravity, slab pull, oceanic lithosphere sinks in the astenosphere and pulls the rest of the tectonic plate with it.

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10y ago

1.slab pull: a sinking oceanic plate in a subduction zone will pull other plates toward it
2. convection currents in the earth's mantle move the crustal plates on top of them
3. Magma upwelling at the surface (along mid-ocean ridges and rift valleys)pushing older crust away

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9y ago

Ridge Push is the force applied to plates at spreading centers, Slab Pull is considered by many to be the dominant, or even the only, driving mechanism for plate tectonics and Plate Drag is supported in several different models of plate tectonics. In one model, the upper mantle is separated from the lower mantle, with little or no transfer of material between them. Small, local convection cells in the upper mantle can occur beneath the interiors of plates and can contribute frictional drag forces to reinforce plate movement.

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8y ago

The island arcs subduction, ands oceanic continental.

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7y ago

It is mantle, crust and lithosphere

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Anonymous

Lvl 1
3y ago

convection currents slab pull ridge push newly

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Q: What three mechanisms may drive tectonic plates to move?
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