A revised seawater sulfate oxygen isotope record for the last 4 Myr

@inproceedings{Markovi2015ARS,
  title={A revised seawater sulfate oxygen isotope record for the last 4 Myr},
  author={Stefan Markovi{\'c} and Adina Paytan and Hong Li and Ulrich G Wortmann},
  year={2015}
}
Using a new method to purify barium sulfate from marine barite, we produce a highly resolved seawater sulfate oxygen isotope data set for the past 4 million years. We show that the overall magnitude of the dO shift is smaller than previously thought (1–1.5‰ vs 6 ‰). Expanding on previous work, we explore the effects of Quaternary sea level variations on the global sulfur cycle. Our modeling results confirm the earlier hypothesis that the increased duration and amplitude of sea level lowstands… CONTINUE READING

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