Salt Weathering - Field Clip 1 - Flaking of stone


Clip of 7 days - Time lapsed to 17 seconds:  shows magnesian limestone flaking at Howden Minster, an abandoned Abby in Yorkshire just downwind from Drax–one of Europe’s largest coal-fired powerplants. Lab work based on this weathering process shows that rewetting of dehydrated Magnesium Sulfate during episodic condensation events results rapid supersaturation, crystallization and damage to the stone (Balboni, 2010). PDF. Related paper in Nature Communications.

Eric Doehne & Sarah Pinchin

Keywords:  Magnesium Sulfate, condensation, wind, rewetting, salt mixture, Howden Minster

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