Ocean Science
Ocean Science
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Articles | Volume 17, issue 5
Articles | Volume 17, issue 5
https://doi.org/10.5194/os-17-1213-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-17-1213-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 5
Research article
 | 
15 Sep 2021
Research article |  | 15 Sep 2021

Control of oceanic circulation on sediment distribution in the southwestern Atlantic margin (23 to 55° S)

Michel Michaelovitch de Mahiques, Roberto Violante, Paula Franco-Fraguas, Leticia Burone, Cesar Barbedo Rocha, Leonardo Ortega, Rosangela Felicio dos Santos, Bianca Sung Mi Kim, Rubens Cesar Lopes Figueira, and Marcia Caruso Bícego

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Short summary
In this work we used a concept called geochemical fingerprinting, with isotopes of neodymium and lead as tools to recognize the main sources and the physical processes responsible for the transport and deposition of sediments on a large area of the South Atlantic margin. Distinct sources, such as Antarctica, the Andean Cordillera, the Río de la Plata basin, and old rocks from the Brazilian shield, are identified.
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