Hydrothermal vents are a major source of iron to the ocean but the fate of this hydrothermally-sourced iron is affected by a variety of complex geochemical processes. A new study recently published in nature communications earth and environment by a group of collaborators including Andrea Koschinsky reviews the literature and new data to shed light on the transport and availability of hydrothermal iron.
For more information, have a look at the MARUM press release: https://www.marum.de/Iron-s-Irony.html
And find the paper here: https://www.nature.com/articles/s43247-025-02839-4
