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BG | Articles | Volume 17, issue 18
Biogeosciences, 17, 4727–4743, 2020
https://doi.org/10.5194/bg-17-4727-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 17, 4727–4743, 2020
https://doi.org/10.5194/bg-17-4727-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

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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Cited articles

Allen, K. A., Hönisch, B., Eggins, S. M., Haynes, L. L., Rosenthal, Y., and Yu, J.: Trace element proxies for surface ocean conditions: A synthesis of culture calibrations with planktic foraminifera, Geochim. Cosmochim. Ac., 193, 197–221, 2016. a
Angell, R. W.: Test morphogenesis (chamber formation) in the foraminifer Spiroloculina hyalina Schulze, J. Foramin. Res., 10, 89–101, 1980. a, b
Barker, S., Greaves, M., and Elderfield, H.: A study of cleaning procedures used for foraminiferal Mg/Ca paleothermometry, Geochem. Geophy. Geosy., 4, 8407, https://doi.org/10.1029/2003GC000559, 2003. a
Bentov, S. and Erez, J.: Impact of biomineralization processes on the Mg content of foraminiferal shells: A biological perspective, Geochem. Geophy. Geosy., 7, Q01P08, https://doi.org/10.1029/2005GC001015, 2006. a, b, c
Bonnin, E. A., Zhu, Z., Fehrenbacher, J. S., Russell, A. D., Hönisch, B., Spero, H. J., and Gagnon, A. C.: Submicron Sodium Banding in Cultured Planktic Foraminifera Shells, Geochim. Cosmochim. Ac., 253, 127–141, https://doi.org/10.1016/j.gca.2019.03.024, 2019. a
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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.
We investigated, for the first time, the spatial distribution of chlorine and fluorine in the...
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