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

Article DOI: 10.3791/54251-v • 09:45 min • July 24th, 2016
July 24th, 2016 •
1,2, 1, 1, 1,2
1Department of Geosciences, University of Tuebingen, 2Department of Geological and Atmospheric Sciences, Iowa State University

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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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Laboratory Simulation Iron(II)-rich Precambrian Marine Upwelling System Growth Of Photosynthetic Bacteria Experimental Approach Ferruginous Upwelling System Geochemical Profiles Oxygen Aqueous Iron Water Column Cyanobacteria Photosynthesis Newly Developed Method Earth's History Oxygenation Of The Atmosphere Banded Iron Formations Geochemical Conditions Precambrian Ocean Lab Scale Simulation Modern Methods Early Earth Studies Geo-microbial Investigations Chemical Fluctuations In Sediment Bodies Experiment Setup Video Protocol Bacteria Culturing Assembly Steps Sterilizing Materials Synechococcus 7002 Anoxic Solution
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