What Are The Driving Forces Behind Plate Tectonics

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Ridge push (also known as gravitational sliding) or sliding plate force is a proposed driving force for plate motion in plate tectonics that occurs at mid-ocean ridges as the result of the rigid lithosphere sliding down the hot raised asthenosphere below mid-ocean ridges.

What are the 4 types of plate tectonics?

There are four types of boundaries between tectonic plates that are defined by the movement of the plates: divergent and convergent boundaries transform fault boundaries and plate boundary zones.

What are the causes of plate movement describe movement of plates?

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.

Which of the following forces of tectonic plates is a resisting force?

Slab Resistance

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This force acts as a plate collides with another plate boundary. It directly resists all the driving forces associated with plate tectonics. This force occurs only at subduction zones (ie ocean-continent and ocean-ocean boundaries).

What is a ridge push force?

Gravitational force that causes a plate to move away from the crest of an ocean ridge and into a subduction zone. It works together with Slab Pull but is much less significant. See also Slab Pull.

How does plate tectonic move caused by ridge pull?

As the lithosphere formed at divergent plate margins is hot and less dense than the surrounding area it rises to form oceanic ridges. The newly-formed plates slide sideways off these high areas pushing the plate in front of them resulting in a ridge-push mechanism.

What is ridge in plate tectonics?

A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.

How are the forces of slab pull and ridge push related to plate motions?

How are the forces of slab-pull and ridge-push related to plate motions? In slab pull gravity pulls cool dense oceanic lithosphere down into the mantle. In ridge push gravity causes stiff oceanic lithosphere to slide down the asthenosphere which is elevated near mid-ocean ridges.

What is the primary force that generates ridge push?

The primary origin for ridge push forces is thought to be due to the gravity glide of the lithosphere away from the ridge down the inclined interface with the asthenosphere. There is some controversy about magnitude of such a force.

What do you call the force that either push the tectonic plates toward each other or pull them apart?

Research has shown that the major driving force for most plate movement is slab pull because the plates with more of their edges being subducted are the faster-moving ones. However ridge push is also presented in recent research to be a force that drives the movement of plates.

Plate Tectonics—What Drives the Plates? Overview of processes (Educational)

Driving Forces for Tectonic Plates

Convection Currents – driving force behind plate tectonics

Mechanism of Plate Tectonics: Mantle Convection Theory Slab Pull Theory

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