- high temperatures during the day heat up rock which expands
- low temperatures at night cause the rock to cool and contract
- this repeats causing layers of rock too peel off. This is called flaking
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- high temperatures draw salt water to the surface and it evaporates.
- salt crystals grow between joints in the rock and leads to block and granular disintegration.
- this works with insolation weathering to cause flaking of rocks.
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- this happens when there are huge differences betwenn day and night time temperatures
- water trapped in cracks in the rock freezes and expands pushing the rock apart slightly.
- at daytime when the temperatures rise again the ice melts and the rock contracts again.
- this repeats until the rock is stressed so much that it snaps.
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- this is when minerals absorb water molecules which causes them to expand and puts the rocks under large pressure.
- this causes the rock to shatter.
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