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Plate Tectonics Vocab

Plate Tectonics Vocab

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Tags: science   geology   earth science  

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when a dense oceanic plate collides and goes under a less dense contiental plate
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when plates slide past each other, causing earthquakes
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process that occurs at a divergent boundary creating new crust
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landform created by sea-floor spreading; creates underwater mountains
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when plates spread apart
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when plates collide
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area surrounding the Pacific Ocean where subduction causes many volcanoes to form
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forms in subduction zones and hot spots; where magma rises to the surface
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heory that Earth's outer layer is made up of plates, which have moved throughout Earth's history
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weak area in the crust where magma rises to the surface creating volcanoes
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theory stating all continents formed one super- continent, and then drifted apart
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supercontinent in which all continents formed one large landmass
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