Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 39, issue 1
Articles | Volume 39, issue 1
https://doi.org/10.5194/jm-39-41-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-39-41-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 39, issue 1
Research article
 | 
19 Mar 2020
Research article |  | 19 Mar 2020

Dinocyst and acritarch biostratigraphy of the Late Pliocene to Early Pleistocene at Integrated Ocean Drilling Program Site U1307 in the Labrador Sea

Aurélie Marcelle Renée Aubry, Stijn De Schepper, and Anne de Vernal

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Short summary
We used organic-walled microfossils to better define the Plio–Pleistocene transition (2.56 Ma) that is associated with the intensification of the Northern Hemisphere glaciation. The disappearance of species around 2.75 Ma reflects an ecological response accompanying the Greenland ice sheet growth. A strong regionalism marks the Labrador Sea and suggests cooler conditions than elsewhere in the North Atlantic, although our zone boundaries are contemporaneous with the eastern North Atlantic.
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