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PLATE TECTONICS (how and why do plates move (movement of earth's crust…

- - - - found beneath deep oceans
      - newer, thinner than continental
      - denser
        
        consist of mainly basalt, heavy and dense rock formed from magma which has cooled quickly
    - - located beneath earth's continental land masses and under shallow sea close to continents
      - older, thicker than oceanic
      - less dense
        
        consist of lighter rocks, including granite
        
        age range widely from very recently formed to nearly 4 billion years old
- - - - fold mountains
      - earthquakes
    - - himalayas (indo-australian plate and eurasian plate)
      - 2015 nepal earthquake
  - - - volcano
      - oceanic trench
      - earthquakes
      - faulting
      - fold mountains
  - - - volcano
      - oceanic trench
      - earthquakes