Iron Formations: Their Origins and Implications for Ancient Seawater Chemistry

  title={Iron Formations: Their Origins and Implications for Ancient Seawater Chemistry},
  author={A. Bekker and N. Planavsky and B. Rasmussen and Bryan Krape{\vz} and A. Hofmann and J. Slack and O. Rouxel and K. Konhauser},
  journal={Treatise on Geochemistry},
  • A. Bekker, N. Planavsky, +5 authors K. Konhauser
  • Published 2014
  • Geology
  • Treatise on Geochemistry
  • Iron formations are economically significant, iron- and silica-rich sedimentary rocks that are restricted to Precambrian successions. There are no known modern or Phanerozoic analogues for these deposits that are comparable in terms of areal extent and thickness. Although many aspects of iron formation origin remain debatable, it is generally accepted that secular changes in the style of deposition are genetically linked to plate tectonic processes, mantle plume events, and evolution of Earth's… CONTINUE READING
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