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Andrew R. C. Grigg

A researcher wearing waders stands ankle deep in muddy sediment, bending over to extract a water sample from the sediment using a plastic syringe.
Posted inScience Updates

Tracing Iron’s Invisible Transformations Just Beneath Our Feet

by Andrew R. C. Grigg, Katrin Schiedung, Joëlle Kubeneck and Ruben Kretzschmar 19 September 202519 September 2025

A new method that adds synthetic iron minerals to soils sheds light on hard-to-observe soil and sediment processes and may have a host of other applications in the Earth sciences and beyond.

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