Articles | Volume 17, issue 5
https://doi.org/10.5194/cp-17-1937-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-17-1937-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
North Atlantic marine biogenic silica accumulation through the early to middle Paleogene: implications for ocean circulation and silicate weathering feedback
Jakub Witkowski
CORRESPONDING AUTHOR
Institute of Marine and Environmental Sciences, University of
Szczecin, ul. Mickiewicza 18, 70-383 Szczecin, Poland
Karolina Bryłka
Department of Geology, Faculty of Science, Lund University,
Sölvegatan 12, Lund, Sweden
Steven M. Bohaty
Schoool of Ocean and Earth Science, National Oceanography Centre
Southampton, University of Southampton, Waterfront Campus, European Way,
Southampton SO14 3ZH, UK
Elżbieta Mydłowska
Institute of Spatial Management and Socio-Economic Geography, ul.
Mickiewicza 18, 70-383 Szczecin, Poland
Donald E. Penman
Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322, USA
Bridget S. Wade
Department of Earth Sciences, University College London, Gower Street, London WC1E 6BT, UK
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Cited
14 citations as recorded by crossref.
- Surface Ocean Cooling in the Eocene North Atlantic Coincides With Declining Atmospheric CO2 G. Inglis et al. https://doi.org/10.1029/2023GL105448
- Transient micropaleontological turnover across a late Eocene (Priabonian) carbon and oxygen isotope shift on Blake Nose (NW Atlantic) J. de Entrambasaguas et al. https://doi.org/10.5194/jm-43-303-2024
- Dextral to sinistral coiling switch in planktic foraminifer Morozovella during the Early Eocene Climatic Optimum V. Luciani et al. https://doi.org/10.1016/j.gloplacha.2021.103634
- Paralia flatoniana sp. nov., a new species from the late Eocene of Texas with discussion on ecology and initial valves D. Winter & T. Yancey https://doi.org/10.1080/0269249X.2022.2141345
- Increasing opal productivity in the Late Eocene Southern Ocean: Evidence for increased carbon export preceding the Eocene-Oligocene glaciation V. Özen et al. https://doi.org/10.5194/cp-21-2283-2025
- Biosiliceous and geochemical response to biotic and climatic events in the Palaeocene C. Figus et al. https://doi.org/10.5194/cp-21-1431-2025
- Radiolarian size and silicification across the Paleocene-Eocene boundary and into the early Eocene S. Westacott et al. https://doi.org/10.1016/j.palaeo.2022.111287
- Pervasive accumulations of chert in the Equatorial Pacific during the early Eocene climatic optimum S. Varkouhi et al. https://doi.org/10.1016/j.marpetgeo.2024.106940
- Low-latitude biostratigraphy and diversity of planktonic foraminifera from the middle Eocene to early Oligocene A. Woodhouse et al. https://doi.org/10.5194/jm-44-601-2025
- Origin of Carnian Ma’antang cherts, northwestern Sichuan Basin, South China: Field, petrographic, and geochemical perspectives T. Deng et al. https://doi.org/10.1016/j.jseaes.2022.105143
- 231Pa/230Th ratios in the Atlantic and Indian Oceans and their implications for the application of the ratios as an ocean circulation proxy A. Leal et al. https://doi.org/10.1016/j.quascirev.2025.109448
- Biogenic silica accumulation and diatom assemblage variations through the Eocene-Oligocene Transition: A Southern Indian Ocean versus South Atlantic perspective K. Bryłka et al. https://doi.org/10.1016/j.palaeo.2023.111971
- Controls on Palaeogene deep-sea diatom-bearing sediment deposition and comparison with shallow marine environments C. Figus et al. https://doi.org/10.5194/bg-22-3029-2025
- Climatic and tectonic controls on shallow-marine and freshwater diatomite deposition throughout the Palaeogene C. Figus et al. https://doi.org/10.5194/cp-20-2629-2024
14 citations as recorded by crossref.
- Surface Ocean Cooling in the Eocene North Atlantic Coincides With Declining Atmospheric CO2 G. Inglis et al. https://doi.org/10.1029/2023GL105448
- Transient micropaleontological turnover across a late Eocene (Priabonian) carbon and oxygen isotope shift on Blake Nose (NW Atlantic) J. de Entrambasaguas et al. https://doi.org/10.5194/jm-43-303-2024
- Dextral to sinistral coiling switch in planktic foraminifer Morozovella during the Early Eocene Climatic Optimum V. Luciani et al. https://doi.org/10.1016/j.gloplacha.2021.103634
- Paralia flatoniana sp. nov., a new species from the late Eocene of Texas with discussion on ecology and initial valves D. Winter & T. Yancey https://doi.org/10.1080/0269249X.2022.2141345
- Increasing opal productivity in the Late Eocene Southern Ocean: Evidence for increased carbon export preceding the Eocene-Oligocene glaciation V. Özen et al. https://doi.org/10.5194/cp-21-2283-2025
- Biosiliceous and geochemical response to biotic and climatic events in the Palaeocene C. Figus et al. https://doi.org/10.5194/cp-21-1431-2025
- Radiolarian size and silicification across the Paleocene-Eocene boundary and into the early Eocene S. Westacott et al. https://doi.org/10.1016/j.palaeo.2022.111287
- Pervasive accumulations of chert in the Equatorial Pacific during the early Eocene climatic optimum S. Varkouhi et al. https://doi.org/10.1016/j.marpetgeo.2024.106940
- Low-latitude biostratigraphy and diversity of planktonic foraminifera from the middle Eocene to early Oligocene A. Woodhouse et al. https://doi.org/10.5194/jm-44-601-2025
- Origin of Carnian Ma’antang cherts, northwestern Sichuan Basin, South China: Field, petrographic, and geochemical perspectives T. Deng et al. https://doi.org/10.1016/j.jseaes.2022.105143
- 231Pa/230Th ratios in the Atlantic and Indian Oceans and their implications for the application of the ratios as an ocean circulation proxy A. Leal et al. https://doi.org/10.1016/j.quascirev.2025.109448
- Biogenic silica accumulation and diatom assemblage variations through the Eocene-Oligocene Transition: A Southern Indian Ocean versus South Atlantic perspective K. Bryłka et al. https://doi.org/10.1016/j.palaeo.2023.111971
- Controls on Palaeogene deep-sea diatom-bearing sediment deposition and comparison with shallow marine environments C. Figus et al. https://doi.org/10.5194/bg-22-3029-2025
- Climatic and tectonic controls on shallow-marine and freshwater diatomite deposition throughout the Palaeogene C. Figus et al. https://doi.org/10.5194/cp-20-2629-2024
Saved (final revised paper)
Latest update: 09 Sep 2026
Short summary
We reconstruct the history of biogenic opal accumulation through the early to middle Paleogene in the western North Atlantic. Biogenic opal accumulation was controlled by deepwater temperatures, atmospheric greenhouse gas levels, and continental weathering intensity. Overturning circulation in the Atlantic was established at the end of the extreme early Eocene greenhouse warmth period. We also show that the strength of the link between climate and continental weathering varies through time.
We reconstruct the history of biogenic opal accumulation through the early to middle Paleogene...