Biogeosciences
Biogeosciences
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Articles | Volume 15, issue 22
Articles | Volume 15, issue 22
https://doi.org/10.5194/bg-15-6773-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-6773-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 22
Research article
 | 
14 Nov 2018
Research article |  | 14 Nov 2018

Weaving of biomineralization framework in rotaliid foraminifera: implications for paleoceanographic proxies

Yukiko Nagai, Katsuyuki Uematsu, Chong Chen, Ryoji Wani, Jarosław Tyszka, and Takashi Toyofuku

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Short summary
We interpret detailed SEM and time-lapse observations of the calcification process in living foraminifera, which we reveal to be directly linked to the construction mechanism of organic membranes where the calcium carbonate precipitation takes place. We show that these membranes are a highly perforated outline is first woven by skeletal pseudopodia and then later overlaid by a layer of membranous pseudopodia to close the gaps. The chemical composition is related to these structures.
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