Processes of Erosion

Description

Cambridge IGCSE Geography Mind Map on Processes of Erosion, created by ellen.bannister on 12/10/2013.
ellen.bannister
Mind Map by ellen.bannister, updated more than 1 year ago
ellen.bannister
Created by ellen.bannister over 10 years ago
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Resource summary

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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