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What are the four plate boundaries?

The four types of plate boundaries are divergent boundaries (plates moving apart), convergent boundaries (plates moving together), transform boundaries (plates sliding past each other), and subduction zones (one plate sinking beneath another).


Why does oceanic lithosphere sink at subduction zones but not at mid ocean ridges?

oceanic lithosphere sinks at subduction zones but not at mid ocean ridges because at subduction zones the oceanic lithosphere is subducted, or sinks, under another plate. Oceanic Lithosphere sinks at subduction zones which are usually at convergent boundaries, but at mid-ocean ridges the plates are actually separating not coming together


Lithosphere sinking into mantle What plate boundary?

The lithosphere sinking into the mantle occurs at a convergent plate boundary, specifically in subduction zones. In these regions, one tectonic plate is forced beneath another, typically an oceanic plate descending beneath a continental plate or another oceanic plate. This process leads to the formation of deep ocean trenches and volcanic arcs. The subduction of the lithosphere is a key driver of tectonic activity and geological phenomena associated with plate interactions.


Is a divergent a slab-push a slab-pull?

Yes, slab-push and slab-pull are both mechanisms that drive plate movement at divergent boundaries. Slab-push involves the sinking of a dense oceanic plate into the mantle, which helps drive the separation of plates. Slab-pull refers to the force exerted by the sinking plate as it pulls the trailing portion of the plate along with it.


Does the subducting plate appear to be continuous or discontinuous?

It appears to be continuous because it is a cycle. Old plate is subducted, but new plates are formed.


The cycle of heating rising cooling and sinking is called?

The convection / subduction cycle.


What is subducting slab?

A subducting slab is a portion of the Earth's lithosphere that is sinking into the mantle at a convergent plate boundary. This process occurs when one tectonic plate moves beneath another, typically due to differences in density. Subducting slabs are responsible for generating deep earthquakes and can cause volcanic activity at the surface.


What are three theories of plate movement?

Plate movement has three theories. They are 1. Divergent where they more away from each other, 2. Convergent where they move towards each other, and the 3rd theory or movement is transform, where the movements are side by side.


The sinking of cold ocean lithosphere drives the motions of mantle convection through?

The sinking of cold ocean lithosphere drives mantle convection by creating a negative buoyancy force that pulls the lithosphere into the mantle. This movement displaces hotter, less dense material in the mantle, initiating a cycle of convection currents. These currents drive plate tectonics and heat transfer within the Earth's interior.


What is slab suction?

Slab suction is the process by which a subducting tectonic plate pulls on the rest of the plate, which can contribute to the motion and deformation of Earth's lithosphere. This pulling force is generated by the sinking of denser oceanic lithosphere beneath less dense continental lithosphere at a convergent plate boundary. The interaction between the subducting slab and the overlying plate can influence various geodynamic processes, such as plate motion, mountain building, and seismic activity.


The force on the the rest to the plate from the asthenosphere below cooling sinking rock is called?

The force on the lithosphere from the asthenosphere below due to cooling and sinking rock is called slab pull. This force is one of the driving mechanisms behind plate tectonics, where the denser oceanic lithosphere sinks into the mantle, pulling the rest of the plate along with it.


When gravitational force and buoyant force is balanced on the lithosphere the rock is in what kind of state?

When gravitational force and buoyant force are balanced on the lithosphere, the rock is in isostatic equilibrium. This means that the rock is neither sinking nor rising in response to the forces acting on it.