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Geography

Plate boudaries

TermDefinition
divergent plate boundary where landform is created
convergent plate boundary where landform is destroyed
Convergence A tectonic process whereby plates move toward each other. Usually associated with subduction, convergence typically occurs in the ocean, creating an oceanic trench.
Core The center of Earth, Made primarily of iron and another, lighter element (possibly sulfur),
Crust The uppermost division of the solid earth, representing less than 1% of its volume and varying in depth from below the crust is the mantle.
Divergence A tectonic process whereby plates move away from each other. Divergence results in the separation of plates and is associated most often either with seafloor spreading or with the formation of rift valleys.
Lithosphere The upper layer of Earth's interior, including the crust and the brittle portion at the top of the mantle.
Plates Large movable segments of the lithosphere.
Rift A split between two bodies (for example, two plates) that once were joined.
Subduction A tectonic process that results when plates converge and one plate forces the other down into Earth's mantle. As a result, the subducted plate eventually undergoes partial melting.
Fold It is an area which is under tremendous force
Mid atlantic ridge This is when the sea floor is spreading and letting magma through inorder to make new land
Created by: Eugne24
 

 



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