Plate Boundaries Article Terms Glossary

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Convergent plate boundary

Back

Two plates move towards each other

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Deformation in geology

Back

alteration of Earth's crust due to stress

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A divergent plate boundary is:

Back

a boundary where two tectonic plates move away from each other

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Earth's crust is:

Back

the outermost layer of the Earth

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Earth's mantle is:

Back

layer between Earth's crust and core

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What is a hot spot in geology?

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a location where the Earth's crust is thin and volcanic activity occurs

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Mantle plume

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A large column of hot rock rising through the mantle

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What is a mid-ocean ridge?

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an underwater mountain range

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What is a plate boundary?

Back

a region where two tectonic plates meet

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A rift valley is a:

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Valley formed by tectonic activity