A few minutes of freezing can change the fate of iron in nature

PHYSorg
Aug 27, 2026, 4:20 pm294 ptsTop
Just a few minutes of freezing and thawing can have a decisive impact on how ferrihydrite, the most reactive iron mineral in cold soils, permafrost and glaciers, transforms, according to researchers at Umeå University. As climate warming intensifies freeze-thaw cycles and extends them into new regions, ice is…

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