Seismic characterization of fluid migration and Pockmarks formation in the Estremadura Spur, Western Iberian Margin
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: A field with more than 30 pockmarks was recently discovered in the Estremadura Spur outer shelf (Lourinhã Monocline). The processing of high-resolution seismic lines permitted the characterization of this pockmark field and of the seismic sequence of the Plio-Quaternary basin where they occur. Results show that this region has been affected by several episodes of fluid migration and fluid escape during the Plio-Quaternary, expressed by the presence of the pockmarks that at the present-time seem to be mainly inactive.
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Duarte, D.; Magalhães, V. H.; Terrinha, P.; Ribeiro, C.; Pinheiro, L. M.; Benazzouz, O. And Jung-Hyun, K. (2015) – Seismic characterization of fluid migration and Pockmarks formation in the Estremadura Spur, Western Iberian Margin. In: V. Díaz, del Río, P. Bárcenas, L. M. Fernández-Salas, N. López-González, D. Palomino, J. L. Rueda, O. Sánchez-Guillamón, J. T. Vázquez (eds.): Volumen de Comunicaciones presentadas en el VIII Simposio sobre el Margen Ibérico Atlántico. Ediciones Sia Graf, Málaga, pp.: 361-364.