coastal weathering key words

Created by: Thegirlwhoknewtoomuch - Team GR
Created on: 26-12-12 18:08

wetting/drying

happens in soft rocks like clay and shale. rocks expand and contract as the become wet and dry out. this weakens rock making it more viulnerable to marine processes

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salt weathering

salt water evaporation from sea spray leads to salt crystal growth in rocks. this causes rocks to disintigrate as crystals expand

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frost weathering

freeze thaw expansion and contraction of water in rocks can have an effect of coastal areas in mid and high latitudes

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solution

sea and rain water containing carbon dioxide in solution react with calcium carbonate to dissolve rocks such as limestone and chalk

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biological weathering

destruction of rock by organisms such as molluscs and sea urchins. softer sedimentary rocks such as mudstones are attacked by rock boring molluscs

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Other cards in this set

Card 2

Front

salt water evaporation from sea spray leads to salt crystal growth in rocks. this causes rocks to disintigrate as crystals expand

Back

salt weathering

Card 3

Front

freeze thaw expansion and contraction of water in rocks can have an effect of coastal areas in mid and high latitudes

Back

Card 4

Front

sea and rain water containing carbon dioxide in solution react with calcium carbonate to dissolve rocks such as limestone and chalk

Back

Card 5

Front

destruction of rock by organisms such as molluscs and sea urchins. softer sedimentary rocks such as mudstones are attacked by rock boring molluscs

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coastal weathering key words