Geography: Coastal landscape

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Weathering
Is when it helps wear away rocks but leaves the wheatered material in situ
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Two types of weathering
Mechanical & Chemical
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Mass movement
Is when rocks loosened by weathering move down slope under the influence of gravity
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Hydrauilc action (mechanical)
Air may become trapped in joints and cracks on a cliff face. when a wave breaks trapped air is compressed which weakness the cliff and causes erosion.
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Abrasion (mechanical)
Bits of rock and sand in waves grid down cliff surfaces like sand papen
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Attrition (mechanical)
Waves smash rocks and pebbles on the shore into each other and they break and become smoother
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Solution (chemical)
Acids contained in sea water will dissolve some types of rock such as chalk or limestone
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Other cards in this set

Card 2

Front

Two types of weathering

Back

Mechanical & Chemical

Card 3

Front

Mass movement

Back

Preview of the front of card 3

Card 4

Front

Hydrauilc action (mechanical)

Back

Preview of the front of card 4

Card 5

Front

Abrasion (mechanical)

Back

Preview of the front of card 5
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