Articles | Volume 20, issue 19
https://doi.org/10.5194/bg-20-4043-2023
https://doi.org/10.5194/bg-20-4043-2023
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04 Oct 2023
Research article | Highlight paper |  | 04 Oct 2023

Element ∕ Ca ratios in Nodosariida (Foraminifera) and their potential application for paleoenvironmental reconstructions

Laura Pacho, Lennart de Nooijer, and Gert-Jan Reichart

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This study presents element/Ca data collected on Nodosariata, a particular group of foraminifera. The results of this work can potentially expand the applicability of foraminiferal proxies to the Permian, with important implication for the pale oceanographic and modeling communities.
Short summary
We analyzed Mg / Ca and other El / Ca (Na / Ca, B / Ca, Sr / Ca and Ba / Ca) in Nodosariata. Their calcite chemistry is markedly different to that of the other calcifying orders of foraminifera. We show a relation between the species average Mg / Ca and its sensitivity to changes in temperature. Differences were reflected in both the Mg incorporation and the sensitivities of Mg / Ca to temperature.
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