Articles | Volume 29
https://doi.org/10.5194/sd-29-1-2021
https://doi.org/10.5194/sd-29-1-2021
Science report
 | 
26 Apr 2021
Science report |  | 26 Apr 2021

Drilling the Aptian–Albian of the Sergipe–Alagoas Basin, Brazil: paleobiogeographic and paleoceanographic studies in the South Atlantic

Gerson Fauth, Mauro Daniel Rodrigues Bruno, Jorge Villegas-Martín, Jairo Francisco Savian, Rodrigo do Monte Guerra, Guilherme Krahl, Francisco Henrique de Oliveira Lima, Oscar Strohschoen Jr., Raquel Gewehr de Mello, Fernando Marcanth Lopes, Carolina Gonçalves Leandro, and Eduardo da Silva Aguiar

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Cited articles

Antonietto, L. S., Carmo, D. A., Viviers, M. C., and Adôrno, R. R.: Biostratigraphic and paleozoogeographic review of the upper Aptian-Albian ostracods of riachuelo formation, Sergipe-Alagoas Basin, Northeastern Brazil, Rev. Bras. Paleontolog., 18, 355–368, https://doi.org/10.4072/rbp.2015.3.02, 2015. 
Arai, M.: Aptian/Albian (Early Cretaceous) paleogeography of the south atlantic: A paleontological perspective, Braz. J. Geol., 44, 339–350, https://doi.org/10.5327/Z2317-4889201400020012, 2014. 
Arthur, M. A. and Natland, J. H.: Carbonaceous sediments in the North and South Atlantic: The role of salinity in stable stratification of early Cretaceous basins, in: Deep Drilling Results in the Atlantic Ocean: Continental Margins and Paleoenvironment, edited by: Talwani, M., Hay, W., and Ryan, W. B. F., American Geophysical Union, Washington, USA, 375–401, available at: https://agupubs.onlinelibrary.wiley.com/doi/10.1029/ME003p0375 (last access: 1 April 2021), 1979. 
Asmus, H. E.: Geologia da margem continental brasileira, in: Geologia do Brasil, edited by Schobbenhaus, C., Campos, D. A., Derze, G. R., and Asmus, H. E., DNPM, Brasilia, 443–472, 1984. 
Asmus, H. E. and Porto, R.: Classificação das bacias sedimentares brasileiras segundo a tectônica de placas, in: Anais do XXVI Congresso Brasileiro de Geologia, Sociedade Brasileira de Geologia, October 1972, Belem, Brazil, 67–90, 1972. 
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Short summary
This paper gives an overview, preliminary results, and perspectives of a drilling project in northeastern Brazil. It presents a promising new record of mid-Cretaceous rocks from the South Atlantic Ocean, which may have registered significant geologic events that affected the distribution of marine ecosystems, as well as major paleoclimatic events. It is also important to assess if a correlation exists between the biotic assemblages of the South Atlantic Ocean and the Tethys Sea.