Modelling of the oxygen isotope evolution of seawater: implications for the climate interpretation of the δ18O of marine sediments

@inproceedings{Lcuyer1999ModellingOT,
  title={Modelling of the oxygen isotope evolution of seawater: implications for the climate interpretation of the δ18O of marine sediments},
  author={Christophe L{\'e}cuyer and Pascal Allemand},
  year={1999}
}
Abstract It is often argued that the δ 18 O value of oceanic water was maintained close to 0‰ for hundreds of millions of years, as a consequence of oxygen isotope exchange between oceanic crust and seawater. However, for several decades, the interpretation of the biosedimentary oxygen isotope record has conflicted with the igneous record because, with increasing age, a general trend of decreasing δ 18 O values (about 6‰) is observed in most carbonates, cherts and phosphates, especially for the… CONTINUE READING

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