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The continent to ocean transition across the SW Iberian margin: The effect of syn-rift geometry on post-Mesozoic compression

Pereira, R., Alves, Tiago and Cartwright, Joseph Albert 2010. The continent to ocean transition across the SW Iberian margin: The effect of syn-rift geometry on post-Mesozoic compression. Presented at: II Central & North Atlantic Conjugate Margins Conference, Lisbon, 2010. Published in: Reis, R. P. and Pimentel, N. eds. II Central & North Atlantic Conjugate Margins. Metodo Directo, pp. 228-230.

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Abstract

The southwest Iberian margin, records the complex geological processes leading to continental extension, breakup and posterior post-rift compression. The interpretation of 2D seismic-reflection profiles from the margin, tied to exploration boreholes and outcrop data reveals that the inherited syn-rift geometry and rheology of both deep continental crust and overlaying sediments, plays a major role in the positioning and typology of the distinct structural styles resulting from the post-rift Late Cretaceous to present day basin inversion. The analysis of the syn- to post rift structural geometry allows estimating the position of the Ocean-Continent Transition. Compression is interpreted to have initiated as early as the latest Cretaceous, but is most significant through a period of time spanning the middle Eocene and the Late Oligocene- Miocene to recent times. Moreover, data reveals that shortening along and across the margin is neither synchronous nor similar.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Publisher: Metodo Directo
ISBN: 9789899692312
Last Modified: 28 Jun 2019 02:15
URI: http://orca.cf.ac.uk/id/eprint/73804

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