Plate Tectonics

Constructive plate boundary

Destructive plate boundary

Conservative plate boundary

Collision plate boundary

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  • Created by: evie howe
  • Created on: 04-05-10 19:28

CONSTRUCTIVE plate boundary

  • Two plates move apart
  • <- ->
  • New oceanic crust is formed
    • Mid Ocean Ridges
  • Volcanic activity = common
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DESTRUCTIVE plate boundary

  • Oceanic crust moves towards continental crust
  • --> <--
  • The oceanic crust then subducts
  • @ the subduction zone b/c of convection currents
    • Deep sea trenches
  • Volcanic activity = common
2 of 4

COLLISION plate boundary

  • Two continental plates move towards each other
  • --> <--
  • Neither can sink, so fold up
    • Fold Mountains
3 of 4

CONSERVATIVE plate boundary

  • Two plates slide past each other
  • <--
  • -->
  • Land neither created or destroyed
  • Earthquakes = common
4 of 4

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