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Taphonomy of the coquinas from Araripe Basin and the Cretaceous marine ingression in the inner Northeastern Brazil

Grant number: 14/27337-8
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): June 01, 2015
Effective date (End): April 11, 2016
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Mario Luis Assine
Grantee:Fernanda Quaglio
Host Institution: Instituto de Geociências e Ciências Exatas (IGCE). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil

Abstract

The Cretaceous deposits from the Araripe Basin record the opening of the Atlantic Ocean and the earliest marine incursions in the northeastern Brazil following the Gondwana fragmentation. Although recording important chapter of the Earth's history, the Araripe Basin has been studied more often paleontologically - mainly taxonomically - due to the high quality of fossil preservation. The earliest episodes of marine ingression are recorded in the Aptian-Albian shell-bed deposits in the top of the Romualdo Member of the Santana Formation, which preserve undoubtedly marine taxa. However, the direction of the marine incursion is still an enigma. Available proposes present distinct seaways linking the so-formed Atlantic Ocean and the NE Brazilian basins (Parnaíba, Potiguar, Sergipe-Alagoas and Recôncavo-Tucano). Defining the direction of the marine ingression is crucial to understand the paleobiogeography and to establish a stratigraphic correlation during the Aptian-Albian interval in the inner NE Brazil. In such context, this project proposes the detailed taphonomic study of the many shell-beds - at least 25 - of the Araripe Basin (Romualdo Member, Santana Formation). The main aim is to construct a scenario on the assemblage genesis as well as the depositional tract of the Santana Formation, in order to define the direction of the marine ingression in the Araripe Basin during the Albian-Aptian. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CUSTODIO, MICHELE ANDRIOLLI; QUAGLIO, FERNANDA; WARREN, LUCAS VERISSIMO; SIMOES, MARCELLO GUIMARAES; FUERSICH, FRANZ THEODOR; PERINOTTO, JOSE ALEXANDRE J.; ASSINE, MARIO LUIS. The transgressive-regressive cycle of the Romualdo Formation (Araripe Basin): Sedimentary archive of the Early Cretaceous marine ingression in the interior of Northeast Brazil. SEDIMENTARY GEOLOGY, v. 359, p. 1-15, . (14/00519-9, 14/27337-8)
WARREN, LUCAS VERISSIMO; VAREJAO, FILIPE GIOVANINI; QUAGLIO, FERNANDA; SIMOES, MARCELLO GUIMARAES; FUERSICH, FRANZ THEODOR; POIRE, DANIEL GUSTAVO; CATTO, BRUNO; ASSINE, MARIO LUIS. Stromatolites from the Aptian Crato Formation, a hypersaline lake system in the Araripe Basin, northeastern Brazil. FACIES, v. 63, n. 1, . (14/27337-8)
BOM, MARLONE H. H.; CEOLIN, DAIANE; KOCHHANN, KARLOS G. D.; KRAHL, GUILHERME; FAUTH, GERSON; BERGUE, CRISTIANINI T.; SAVIAN, JAIRO F.; STROHSCHOEN JUNIOR, OSCAR; SIMOES, MARCELLO G.; ASSINE, MARIO L.. Paleoenvironmental evolution of the Aptian Romualdo Formation, Araripe Basin, Northeastern Brazil. GLOBAL AND PLANETARY CHANGE, v. 203, . (14/27337-8, 14/00519-9)
FUERSICH, FRANZ T.; CUSTODIO, MICHELE ANDRIOLLI; MATOS, SUZANA A.; HETHKE, MANJA; QUAGLIO, FERNANDA; WARREN, LUCAS VERISSIMO; ASSINE, MARIO L.; SIMOES, MARCELLO G.. Analysis of a Cretaceous (late Aptian) high-stress ecosystem: The Romualdo Formation of the Araripe Basin, northeastern Brazil. CRETACEOUS RESEARCH, v. 95, p. 268-296, . (14/27337-8)

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