Articles | Volume 17, issue 18
Biogeosciences, 17, 4727–4743, 2020
https://doi.org/10.5194/bg-17-4727-2020
Biogeosciences, 17, 4727–4743, 2020
https://doi.org/10.5194/bg-17-4727-2020

Research article 29 Sep 2020

Research article | 29 Sep 2020

Distribution of chlorine and fluorine in benthic foraminifera

Anne Roepert et al.

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Supplementary data to "Distribution of Cl and F in benthic foraminifera" Anne Roepert https://doi.org/10.4121/uuid:9951e801-5574-498e-b375-fa6941a0f071

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We investigated, for the first time, the spatial distribution of chlorine and fluorine in the shell walls of four benthic foraminifera species: Ammonia tepida, Amphistegina lessonii, Archaias angulatus, and Sorites marginalis. Cross sections of specimens were imaged using nanoSIMS. The distribution of Cl and F was co-located with organics in the rotaliids and rather homogeneously distributed in miliolids. We suggest that the incorporation is governed by the biomineralization pathway.
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