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Geography   Cliff Collapse
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Geography Cliff Collapse

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  • 1. Cliff Collapse
  • 2. The collapse of cliffs can be described in three steps.
  • 3.
    • Soft clay cliffs are impermeable and hold rain water.
  • 4.
    • The sea is attacking/eroding the base of the cliff, causing a wave-cut notch to form.
    • At the same time heavy rainfall causes the soft clay to become saturated, causing a slip plane to form.
  • 5.
    • The weight of the clay causes the cliff to slump or collapse.
  • 6.
    • This results in……
  • 7.
    • CLIFF COLLAPSE
  • 8. Case Study – The Holderness Coast, Holbeck Hall Hotel.
  • 9.
    • At Flamborough Head there is a large amount of chalk in the cliffs. The chalk is much harder than the boulder clay at Filey Bay to the North and Holderness to the South.
  • 10. Background Information
    • The scenery has high cliffs, some of the highest in England which reaches upto 200m high.
  • 11.  

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