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Laboratory Simulation of an Iron(II)-rich Precambrian Marine Upwelling System to Explore the Growth of Photosynthetic Bacteria

DOI :

10.3791/54251-v

July 24th, 2016

July 24th, 2016

11,578 Views

1Department of Geosciences, University of Tuebingen, 2Department of Geological and Atmospheric Sciences, Iowa State University

We simulated a Precambrian ferruginous marine upwelling system in a lab-scale vertical flow-through column. The goal was to understand how geochemical profiles of O2 and Fe(II) evolve as cyanobacteria produce O2. The results show the establishment of a chemocline due to Fe(II) oxidation by photosynthetically produced O2.

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