Science report
| 
26 Apr 2021
Science report |
| 26 Apr 2021
| 26 Apr 2021
Drilling the Aptian–Albian of the Sergipe–Alagoas Basin, Brazil: paleobiogeographic and paleoceanographic studies in the South Atlantic
Gerson Fauth
CORRESPONDING AUTHOR
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
Mauro Daniel Rodrigues Bruno
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
Jorge Villegas-Martín
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
Jairo Francisco Savian
Departamento de Geologia e Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, RS, 91501-970, Brazil
Rodrigo do Monte Guerra
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
Guilherme Krahl
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
Francisco Henrique de Oliveira Lima
PETROBRAS/CENPES/PDEP/BPA, Av. Horácio Macedo, 950, Cidade Universitária, Ilha do Fundão,
Rio de Janeiro, RJ, 21941-915, Brazil
Oscar Strohschoen Jr.
PETROBRAS/CENPES/PDEP/BPA, Av. Horácio Macedo, 950, Cidade Universitária, Ilha do Fundão,
Rio de Janeiro, RJ, 21941-915, Brazil
Raquel Gewehr de Mello
Departamento de Geologia e Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, RS, 91501-970, Brazil
Fernando Marcanth Lopes
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
Carolina Gonçalves Leandro
Departamento de Geologia e Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, RS, 91501-970, Brazil
Eduardo da Silva Aguiar
itt Oceaneon – Instituto Tecnológico de Paleoceanografia e
Mudanças Climáticas, Unisinos University, Av. Unisinos, 950, São
Leopoldo, RS, 93022-750, Brazil
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New drilling of the early Aptian OAE1a: the Cau core (Prebetic Zone, south-eastern Spain)
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The Cretaceous was punctuated by several episodes of accelerated global change, defined as Oceanic Anoxic Events (OAE), that reflect abrupt changes in global carbon cycling. In this progress report, we present a new drill core recovering an Aptian section spanning OAE1a in southern Spain. The Cau section is located in the easternmost part of the Prebetic Zone (Betic Cordillera). All the studies performed reveal that the Cau section represents an excellent site to further investigate OAE1a.
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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.
This paper gives an overview, preliminary results, and perspectives of a drilling project in...
