Oceanic nickel depletion and a methanogen famine before the Great Oxidation Event

  title={Oceanic nickel depletion and a methanogen famine before the Great Oxidation Event},
  author={K. Konhauser and E. Pecoits and S. Lalonde and D. Papineau and E. Nisbet and M. Barley and N. Arndt and K. J. Zahnle and B. Kamber},
  • K. Konhauser, E. Pecoits, +6 authors B. Kamber
  • Published 2009
  • Medicine, Chemistry, Geology
  • Nature
  • It has been suggested that a decrease in atmospheric methane levels triggered the progressive rise of atmospheric oxygen, the so-called Great Oxidation Event, about 2.4 Gyr ago. Oxidative weathering of terrestrial sulphides, increased oceanic sulphate, and the ecological success of sulphate-reducing microorganisms over methanogens has been proposed as a possible cause for the methane collapse, but this explanation is difficult to reconcile with the rock record. Banded iron formations preserve a… CONTINUE READING
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