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Updated: Jan 8, 2026

Laboratory Simulation of an IronII-rich Precambrian Marine Upwelling System to Explore the Growth of Photosynthetic Bacteria
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A window into transition metal availability in early palaeoproterozoic seawater

Ansahmbom Y Nke1, Rosalind E M Rickaby2, Harilaos Tsikos3

  • 1Department of Geological Sciences, University of Cape Town, Rondebosch, 7701, South Africa.

Scientific Reports
|December 22, 2025
PubMed
Summary

Ancient seawater chemistry differed significantly from today, with high manganese and iron concentrations. This metal availability likely influenced early microbial evolution and metalloprotein development.

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