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Coastal Landforms by coastal erosion

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Mapa Mental sobre Coastal Landforms by coastal erosion, criado por 08kirk.ma em 12-03-2014.
08kirk.ma
Mapa Mental por 08kirk.ma, atualizado more than 1 year ago
08kirk.ma
Criado por 08kirk.ma mais de 12 anos atrás
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Resumo de Recurso

Coastal Landforms by coastal erosion
  1. Headlands and Bays
    1. impacted by geology
      1. Areas of alternating resistant and less resistant rock
        1. less resistant rock experiences more erosion and develops into bays
          1. More resistant rock become headlands
            1. high energy waves due to refraction
            2. experience low energy waves = creates beaches
        2. Cliffs and wave-cut platforms
          1. due to high and steep waves breaking and concentrating power on certain area of the cliff face
            1. cliff is eventually undercut = wave cut notch
              1. eventually cliff collapses
                1. Cliff retreats and leaves a 5 degree wave cut platform
            2. Geos
              1. Constant pressure causes a joint to cut inland
                1. crack widens to form a narrow, steep-sided inlet
              2. Caves
                1. When a cliff is undercut
                2. Blowhole
                  1. When erosion continues upwards from a cave
                  2. Arch
                    1. When caves extend backwards to meet another
                      1. Creates a hole through the headland
                    2. Stack
                      1. When the cliff recedes and WC platform develops. the Arch will collapse
                      2. Stump
                        1. Wave cut platform left in the former position of a stack

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