Articles | Volume 5, issue 2
https://doi.org/10.5194/gchron-5-345-2023
https://doi.org/10.5194/gchron-5-345-2023
Research article
 | 
17 Aug 2023
Research article |  | 17 Aug 2023

Marine reservoir ages for coastal West Africa

Guillaume Soulet, Philippe Maestrati, Serge Gofas, Germain Bayon, Fabien Dewilde, Maylis Labonne, Bernard Dennielou, Franck Ferraton, and Giuseppe Siani

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Short summary
The marine reservoir age (MRA) is the difference between the 14C age of the ocean and that of the atmosphere at a given time. In geochronology, knowing the local MRA is important to derive accurate calibrated ages for 14C-dated marine material. However, MRA values for coastal West Africa are scarce. From the 14C dating of known-age bivalves from museum collections, we calculated MRA values and populated the MRA dataset for coastal West Africa over a latitudinal transect from 33°N to 15°S.