Plate Tectonics

Descripción

Leaving Cert (Physical Geography) Geography Mapa Mental sobre Plate Tectonics, creado por Tom Cahill el 27/10/2013.
Tom Cahill
Mapa Mental por Tom Cahill, actualizado hace más de 1 año
Tom Cahill
Creado por Tom Cahill hace más de 10 años
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Resumen del Recurso

Plate Tectonics
  1. lithosphere consists of large, rigid sections called plates
    1. Convection Currents
      1. Continental Drift
        1. Alfred Wegner
          1. rocks in N. America same as those in Irl. and Scot.
            1. Pangaea
          2. Convergent
            1. 2 plates collide
              1. heavier plate is subducted
              2. 2 Oceanic Plates
                1. long deep trench formed
                2. Oceanic Continental
                  1. uplift - fold mountains
                    1. Andres fold mts.
                3. Divergent
                  1. 2 plates separate
                    1. magma rises
                      1. cools on crust
                      2. Mid-Ocean ridge
                        1. Volcanic Island
                        2. Eurasian and N. American
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