Size-related stable isotope changes in Late Cretaceous and Recent planktic foraminifera from the western tropical Atlantic, supplement to: Bornemann, André; Norris, Richard D (2007): Size-related stable isotope changes in Late Cretaceous planktic foraminifera: Implications for paleoecology and photosymbiosis. Marine Micropaleontology, 65(1-2), 32-42

André Bornemann & Richard D Norris
The paleoecology of Cretaceous planktic foraminifera during the Late Cenomanian to Coniacian period (~95-86 Ma) remains controversial since much of the tropical marine record is preserved as chalk and limestone with uncertain geochemical overprints. Here we present delta13C and delta18O data from sieve size fractions of monospecific samples of exceptionally well preserved planktic foraminifera recovered during Ocean Drilling Program Leg 207 (Demerara Rise, western tropical Atlantic). Our results suggest that all species studied (Hedbergella delrioensis,...
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