Plate Tectonics

Descrição

Leaving Cert Geography (Physical Geography) Mapa Mental sobre Plate Tectonics, criado por Tom Cahill em 27-10-2013.
Tom Cahill
Mapa Mental por Tom Cahill, atualizado more than 1 year ago
Tom Cahill
Criado por Tom Cahill aproximadamente 12 anos atrás
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Resumo de 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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