Seismic characterization of fluid migration and Pockmarks formation in the Estremadura Spur, Western Iberian Margin

: 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. Res...

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Bibliographic Details
Main Author: Duarte, D. (author)
Other Authors: Magalhães, V.H. (author), Terrinha, P. (author), Ribeiro, C. (author), Pinheiro, L.M. (author), Benazzouz, O. (author), Jung-Hyun, K. (author)
Format: lecture
Language:por
Published: 2016
Subjects:
pockmarks
seepage
Estremadura Spur
Western Iberian Margin
high-resolution seismic
Online Access:http://hdl.handle.net/10174/16756
Country:Portugal
Oai:oai:dspace.uevora.pt:10174/16756
Description
Summary:: 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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