Geography

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  • Created by: sadiyyya
  • Created on: 16-03-15 14:35

plate margins

Ar destrutive plate margins the oceanic plate goes under the continental plate because its more dense

the oceanic plate moves down into the mantle, where irts melted and destroyed

A pool of magma forms

The magms rises through cracks in the crust called wents

The magma erupts onto the surface

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types of volcanoes

COMPOSITE VOLCANOES- made up of ash and lava thats erupted cooled and hardened into layers. The lava is usually thick and flows slowly, I t hardens quickly to form a step sided volcano

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shield volcanoes

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