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arunasingh5 arunasingh5
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Compare and contrast salt wedging and frost wedging.
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McKnight's Physical Geography: A Landscape Appreciation

McKnight's Physical Geography: A Landscape Appreciation


Edition: 12th
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They are both forms of mechanical weathering and exploit openings in rocks by expansion. Salt wedges grow as salt crystals grow by the deposition of salts from water evaporating in rocks. Frost wedges grow as water in openings in rocks freezes, expands and pushes against the opening walls. The frost wedging is by far more powerful.
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