Rare Earth Element and yttrium compositions of Archean and Paleoproterozoic Fe formations revisited: New perspectives on the significance and mechanisms of deposition

@inproceedings{Planavsky2010RareEE,
  title={Rare Earth Element and yttrium compositions of Archean and Paleoproterozoic Fe formations revisited: New perspectives on the significance and mechanisms of deposition},
  author={Noah John Planavsky and Andrey V. Bekker and Olivier J. Rouxel and Balz Samuel Kamber and Axel Hofmann and Andrew C. Knudsen and Timothy Williams Lyons},
  year={2010}
}
The ocean and atmosphere were largely anoxic in the early Precambrian, resulting in an Fe cycle that was dramatically different than today’s. Extremely Fe-rich sedimentary deposits—i.e., Fe formations—are the most conspicuous manifestation of this distinct Fe cycle. Rare Earth Element (REE) systematics have long been used as a tool to understand the origin of Fe formations and the corresponding chemistry of the ancient ocean. However, many earlier REE studies of Fe formations have drawn… CONTINUE READING
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