Planktonic marine iron oxidizers drive iron mineralization under low-oxygen conditions.

@article{Field2016PlanktonicMI,
  title={Planktonic marine iron oxidizers drive iron mineralization under low-oxygen conditions.},
  author={Edward H Field and Shoji Kato and Alyssa J Findlay and DANIEL JAY MACDONALD and Beverly K. Chiu and George W Luther and Clara S. Chan},
  journal={Geobiology},
  year={2016},
  volume={14 5},
  pages={499-508}
}
Observations of modern microbes have led to several hypotheses on how microbes precipitated the extensive iron formations in the geologic record, but we have yet to resolve the exact microbial contributions. An initial hypothesis was that cyanobacteria produced oxygen which oxidized iron abiotically; however, in modern environments such as microbial mats, where Fe(II) and O2 coexist, we commonly find microaerophilic chemolithotrophic iron-oxidizing bacteria producing Fe(III) oxyhydroxides. This… CONTINUE READING

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