Fast and pervasive diagenetic isotope exchange in foraminifera tests is species-dependent

oleh: Deyanira Cisneros-Lazaro, Arthur Adams, Jinming Guo, Sylvain Bernard, Lukas P. Baumgartner, Damien Daval, Alain Baronnet, Olivier Grauby, Torsten Vennemann, Jarosław Stolarski, Stéphane Escrig, Anders Meibom

Format: Article
Diterbitkan: Nature Portfolio 2022-01-01

Deskripsi

Paleoclimate reconstructions commonly use oxygen isotope compositions from fossil foraminifera tests as proxies. Here, the authors show that these tests exchange O-isotopes with surrounding fluids, with implications for paleotemperature records.