Articles | Volume 14, issue 1
https://doi.org/10.5194/bg-14-89-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-89-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
09 Jan 2017
Research article |
| 09 Jan 2017
The effect of shell secretion rate on Mg / Ca and Sr / Ca ratios in biogenic calcite as observed in a belemnite rostrum
Clemens Vinzenz Ullmann
CORRESPONDING AUTHOR
Camborne School of Mines and Environment and Sustainability Institute,
University of Exeter, Penryn, TR10 9FE, UK
Philip A. E. Pogge von Strandmann
London Geochemistry and Isotope Centre (LOGIC), Institute of Earth and
Planetary Sciences, University College London and Birkbeck, University of
London, Gower Street, London, WC1E 6BT, UK
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Short summary
This study documents how much control growth rate has on the chemical composition of fossil shell material. Using a series of chemical analyses of the fossil hard part of a belemnite, an extinct marine predator, a clear connection between the rate of calcite formation and its magnesium and strontium contents was found. These findings provide further insight into biomineralization processes and help better understand chemical signatures of fossils as proxies for palaeoenvironmental conditions.
This study documents how much control growth rate has on the chemical composition of fossil...
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