Mass Movement Flashcards

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Which type of mass movement involves saturated soil and weak rock flows down a slope, typically where cliffs are made up of boulder clay?
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Mudslide / mudflow

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Which type of mass movement involves saturated soil and weak rock flows down a slope, typically where cliffs are made up of boulder clay?
What is mass movement?
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Mass Movement is the downhill movement of cliff material under the influence of gravity.

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What is mass movement?
Identify 4 types of mass movement.
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Rock fall, landslide, mudslide and slumping.

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Identify 4 types of mass movement.
Describe the process of slumping
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The soft boulder clay holds rainwater and run-off. Waves erode the base of the cliff creating a wave-cut notch. The clay becomes saturated and forms a slip plane. The weight of the saturated cliff causes it to slump.

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Describe the process of slumping
Which type of mass movement involves fragments of rock breaking away from the cliff face, often due to freeze-thaw weathering?
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Rockfall

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Which type of mass movement involves fragments of rock breaking away from the cliff face, often due to freeze-thaw weathering?




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