The Restless Earth - Plate Margins
- Created by: kayleigh_p
- Created on: 23-03-15 17:27
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- Plate Margins
- Destructive
- Two plates moving towards each other
- Oceanic plate and continental plate
- Denser oceanic plate forced down into mantle and destroyed
- Often creates volcanoes and ocean trenches
- Two continental plates
- Smash together - no crust destroyed
- E.g. east coast of Japan
- Image
- Constructive
- Two plates moving away from each other
- Any type of plate
- Magma rises and cools, creating new crust
- E.g. mid-Atlantic ridge
- Image
- Pulled apart by convection currents in magma
- Conservative
- Two plates moving sideways past each other
- Two plates moving in the same direction but at different speeds
- Crust isn't created or destroyed
- Can cause earthquakes - built up pressure
- E.g. west coast of the USA
- Image
- Destructive
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