ARCHIVED CONTENT: In December 2020, the CZO program was succeeded by the Critical Zone Collaborative Network (CZ Net) ×

Paper highlights manganese contamination in soils

Elizabeth Herndon, PhD candidate in Geosciences, and co-authors have determined that iron furnaces in operation during the 1700s and 1800s may have left toxic levels of manganese in Pennsylvania soils. Researchers identified the manganese enrichment after sampling various sites within the Susquehanna Shale Hills CZO. By examining soil chemistry from around the world, the team concluded the increased manganese levels were the result of industrialization.

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Geochemistry / Mineralogy

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