Articles | Volume 13, issue 21
Biogeosciences, 13, 6003–6014, 2016
Biogeosciences, 13, 6003–6014, 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

Archer, D. E.: An atlas of the distribution of calcium carbonate in sediments of the deep sea, Global Biogeochem. Cy., 10, 159–174, 1996.
Baldauf, J.: Middle Eocene through early Miocene diatom floral turnover, in: Eocene-Oligocene climatic and biotic evolution, edited by: Prothero, D. and Berggren, W., Princeton University Press, Princeton, NJ, 310–326, 1992.
Baldauf, J. and Barron, J.: Evolution of biosiliceous sedimentation patterns–Eocene through Quaternary: paleoceanographic response to polar cooling, in: Geological History of the Polar Oceans: Arctic Versus Antarctic, edited by: Bleil, U. and Thiede, J., NATO ASI Series C, , 308, 575–607, Springer, 1990.
Barker, P. and Thomas, E.: Origin, signature and palaeoclimatic influence of the Antarctic Circumpolar Current, Earth-Sci. Rev., 66, 143–162, 2004.
Barrera, E., Barron, J., and Halliday, A.: Strontium isotope stratigraphy of the Oligocene-lower Miocene section at Site 744, southern Indian Ocean, in: Proceedings of the Ocean Drilling Program, Scientific Results, edited by: Barron, J., Larsen, B., Baldauf, J.Q., Alibert, C., Berkowitz, S., Caulet, J.-P., Steven Chambers, S., Alan Cooper, A., Cranston, R., Dorn, D., Ehrmann, W., Fox, R., Fryxell, G., Hambrey, M., Huber, B., Jenkins, C., Kang, S.-H., Keating, B., Mehl, K., Noh, I., Oilier, Q., Pittenger, A., Sakai, H., Schroder, C., Solheim, A., Stockwell, D., Thierstein, H., Tocher, B., Turner, B., and Wei, W., Ocean Drilling Program, College Station, TX, 119, 731–738, 1991.
Short summary
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.
Final-revised paper