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Organic and isotopic geochemistry of evaporites and shales of the Santana Group...
Pontes, Naedja Vasconcelos; Chagas, Daniel Bezerra das; Souza, Ana Clara Braga de; Nascimento Junior, Daniel Rodrigues doEven being the more studied of the interior basins of Northeast Brazil, the Araripe Basin still lacks research in organic geochemistry designed to support interpretations of depositional systems and conditions of formation. This work aims to investigate the organic behavior of evaporites and shales from the Santana Group (Lower Cretaceous), as well as discuss their role in the evolution of its depositional syst...
Estudo geoquímico e isotópico dos folhelhos e evaporitos do grupo Santana (Baci...
Pontes, Naedja VasconcelosThe aim of the present study was to investigate the organic geochemistry and stable isotopes of sulfur in shales and evaporites of the Santana Group of the Araripe Basin in order to interpret depositional systems, formation conditions, hydrocarbon generation potential, thermal maturity, quantity and quality of organic matter. A total of 17 samples werecollected from outcrops and quarries, being submitted to ana...
Análise estratigráfica e geoquímica através de isótopos de enxofre em sequência...
Pontes, Naedja VasconcelosMorro do Chaves Formation are considered important potential hydrocarbons source rock of the Sergipe-Alagoas basin. Cretaceous shales from Morro do Chaves Formation have been investigated to identify their isotopic signature and source areas by stable sulphur ä34S isotopes technique. In addition, this study shows the potential source rocks based on organic geochemical parameters. The 16 samples of shales were c...