Processes of Erosion

Beschreibung

Cambridge IGCSE Geography Mindmap am Processes of Erosion, erstellt von ellen.bannister am 12/10/2013.
ellen.bannister
Mindmap von ellen.bannister, aktualisiert more than 1 year ago
ellen.bannister
Erstellt von ellen.bannister vor etwa 11 Jahre
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Zusammenfassung der Ressource

Processes of Erosion
  1. Hydraulic power
    1. Trapped air blasted into cliff holes
      1. cliff smashes due to pressure
        1. Cavitation
    2. Corrasion
      1. Fragnments of rock
        1. picked up by sea and hurled at cliff
          1. rocks erode cliff
      2. Abrasion
        1. 'sanspapering effect'
          1. pebbles grind over rough surface
            1. Smooth
        2. Solution
          1. Rocks dissolved
            1. e.g limestone and chalk
          2. Attrition
            1. Rock fragments carried by sea
              1. knock against each other
                1. - smaller and more rounded pebbles
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