Statistical analysis of iron geochemical data suggests limited late Proterozoic oxygenation

  title={Statistical analysis of iron geochemical data suggests limited late Proterozoic oxygenation},
  author={Erik A. Sperling and Charles J. Wolock and Alex Morgan and Benjamin C Gill and Marcus Kunzmann and Galen P Halverson and Francis A Macdonald and Andrew H Knoll and David T. Johnston},
Sedimentary rocks deposited across the Proterozoic–Phanerozoic transition record extreme climate fluctuations, a potential rise in atmospheric oxygen or re-organization of the seafloor redox landscape, and the initial diversification of animals. It is widely assumed that the inferred redox change facilitated the observed trends in biodiversity. Establishing this palaeoenvironmental context, however, requires that changes in marine redox structure be tracked by means of geochemical proxies and… CONTINUE READING
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