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Destructive Plate Margins

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Mind Map on Destructive Plate Margins, created by ca14ss12 on 05/20/2015.
ca14ss12
Mind Map by ca14ss12, updated more than 1 year ago
ca14ss12
Created by ca14ss12 almost 11 years ago
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Resource summary

Destructive Plate Margins
  1. Also called subduction
    1. Oceanic & continental plates are moving together
      1. Oceanic forced under the lighter continental plate
      2. Earth Quakes
        1. Friction causes melting of oceanic plate, may trigger EQ
        2. Convection currents
          1. Plates are pulled apart by convection curents
            1. Magma rises through the cracks & erupts onto the surface
              1. It then falls when it cools down
                1. This is called a volcaone
            2. Nazca plate forced under South America Plate

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