Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 43, issue 1
Articles | Volume 43, issue 1
https://doi.org/10.5194/jm-43-93-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jm-43-93-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 43, issue 1
Research article
 | 
17 May 2024
Research article |  | 17 May 2024

Diatom and radiolarian biostratigraphy in the Pliocene sequence of ODP Site 697 (Jane Basin, Atlantic sector of the Southern Ocean)

Yuji Kato, Iván Hernández-Almeida, and Lara F. Pérez

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Short summary
In this study, we propose an age framework for an interval of 4.8–3.1 million years ago, using fossil records of marine plankton such as diatoms and radiolarians derived from a sediment core collected in the Southern Ocean. Specifically, a total of 19 bioevents (i.e., extinction/appearance events of selected age marker species) were detected, and their precise ages were calculated. The updated biostratigraphy will contribute to future paleoceanographic work in the Southern Ocean.
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Special issue
Advances in Antarctic chronology, paleoenvironment, and paleoclimate...