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Stable isotope profiles (Ca, O, C) through modern brachiopod shells of T. septentrionalis and G. vitreus: Implications for calcium isotope paleo-ocean chemistry

Allmen, Katja von ; Nägler, Thomas F. ; Pettke, Thomas ; Hippler, Dorothee ; Griesshaber, Erika ; Logan, Alan ; Eisenhauer, Anton ; Samankassou, Elias

In: Chemical Geology, 2010, vol. 269, no. 3-4, p. 210-219

Brachiopod shells are widely used as an archive to reconstruct elemental and isotopic composition of seawater. Studies, focused on oxygen and carbon isotopes over the last decades, are increasingly extending to the emerging calcium isotope system. To date, only little attention has been paid to test the reliability of fossil brachiopods on their modern counterparts.In this context, the present...