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How frezing and thawing weathers sandstone?

April 26, 2017sandstone Thawing

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How frezing and thawing weathers sandstone?

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Sand stone is pourous and water gets into it. When it freezes the water expands causing the granuals of sand that make up the sandstone to become disconected from the overal mass of the stone. Freeze and thaw often enough and you have nothing but a pile of sand.