Volcanoes
- Created by: Jess
- Created on: 27-05-13 16:54
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Volcanoes
1) Volcanoes are caused by movement of tectonic plates. At destructive plate margins the oceanic plate goes under the continental plate because it's more dense- this also creates an ocean trench:
- The oceanic plate moves down into the mantle, where it's melted and destroyed.
- A pool of magma forms.
-The magma rises through the cracks in the crust called vents.
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