Articles | Volume 13, issue 21
Biogeosciences, 13, 6003–6014, 2016
https://doi.org/10.5194/bg-13-6003-2016
Biogeosciences, 13, 6003–6014, 2016
https://doi.org/10.5194/bg-13-6003-2016

Research article 02 Nov 2016

Research article | 02 Nov 2016

Quantifying the Cenozoic marine diatom deposition history: links to the C and Si cycles

Johan Renaudie

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Cited articles

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Marine planktonic diatoms are today both the main silica and carbon exporter to the deep sea. However, 50 million years ago, radiolarians were the main silica exporter and diatoms were a rare, geographically restricted group. Quantification of their rise to dominance suggest that diatom abundance is primarily controlled by the continental weathering and has a negative feedback, observable on a geological timescale, on the carbon cycle.
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