Fluid escape structures as possible indicators of past gas hydrate dissociation during the deposition of the Barremian sediments in the Recôncavo Basin, NE, Brazil

Fluid escape structures as possible indicators of past gas hydrate dissociation during the deposition of the Barremian sediments in the Recôncavo Basin, NE, Brazil

ABSTRACT: Empty elliptical vesicles are observed in outcrops of Barremian very fine clayey sandstone to siltstone lacustrine slurry deposits of the Pitanga Member (Maracangalha Formation), exposed in the Maré Island, Southern Recôncavo Basin, Brazil. These sedimentary features have been traditionall...

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Bibliographic Details
Main Authors: Antonio Fernando Menezes Freire, Carlson de Matos Maia Leite, Flávio Miranda de Oliveira, Márcio Ferreira Guimarães, Paulo da Silva Milhomem, Raphael Pietzsch, Roberto Salvador Francisco d’Ávila
Format: Article
Language:English
Published: Sociedade Brasileira de Geologia
Series:Brazilian Journal of Geology
Subjects:
Fluidization
Gas hydrates
Maracangalha Formation
Pitanga Member
Recôncavo Basin
Vesicles
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892017000100079&lng=en&tlng=en

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