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<identifier>oai:HAL:hal-00590618v1</identifier>
<datestamp>2018-01-11</datestamp>
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<title lang=en>An integrated study of Permo-Triassic basins along the North Atlantic passive margin: implication for future exploration</title>
<creator>Redfern, J.</creator>
<creator>Shannon, P.</creator>
<creator>Williams, B.P.J.</creator>
<creator>Tyrell, S.</creator>
<creator>Leleu, S.</creator>
<creator>Fabuel-Perez, I.</creator>
<creator>Baudon, Catherine</creator>
<creator>Stolfova, K.</creator>
<creator>Hodgetts, D.</creator>
<creator>Van Lanen, X.</creator>
<creator>Spenksnidjer, A.</creator>
<creator>Haughton, P.D.W.</creator>
<creator>Daly, J.S.</creator>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<source>Petroleum Geology: From Mature Basins to New Frontiers Proceedings of the 7th Petroleum Geology Conf</source>
<publisher>Geological Society of London</publisher>
<identifier>hal-00590618</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00590618</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00590618</source>
<source>Petroleum Geology: From Mature Basins to New Frontiers Proceedings of the 7th Petroleum Geology Conf, Geological Society of London, pp.921-936, 2010, Petroleum Geology Conference series</source>
<language>en</language>
<subject lang=en>Permian Triassic Atlantic Borderland basins</subject>
<subject lang=en>Morocco</subject>
<subject lang=en>Atlas</subject>
<subject lang=en>Fundy</subject>
<subject lang=en>continental red beds</subject>
<subject lang=en>provenance</subject>
<subject lang=en>rifting</subject>
<subject>[SDU.OTHER] Sciences of the Universe [physics]/Other</subject>
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<description lang=en>Permo-Triassic rift basins offer important hydrocarbon targets along the Atlantic margins. Their fill is dominated by continental red beds, comprising braided fluvial, alluvial fan, aeolian, floodplain and lacustrine facies. These relatively lightly explored basins span both the Atlantic and Tethyan domains and developed above a complex basement with inherited structural fabrics. Sparse data in offshore regions constrain understanding of depositional geometries and sedimentary architecture, further impeded by their deep burial beneath younger strata, combined with the effects of later deformation during continental breakup. This paper provides results from a multidisciplinary analysis of basins along the Atlantic margin. Regional seismic and well data, combined with geochemical provenance analysis from the European North Atlantic margins, are integrated with detailed outcrop studies in Morocco and Nova Scotia. The research provides new insights into regional basin tectonostratigraphic evolution, sediment fill, and reservoir distribution, architecture and quality at a range of scales. Regional seismic profiles, supported by key well data, indicate the presence of post-orogenic collapse basins, focused narrow rifts and low-magnitude multiple extensional depocentres. Significantly, Permo-Triassic basin geometries are different and more varied than the overlying Jurassic and younger basins. Provenance analysis using Pb isotopic composition of detrital K-feldspar yields new and robust controls on the sediment dispersal patterns of Triassic sandstones in the NE Atlantic margin. The evolving sedimentary architecture is characterized by detailed sedimentological studies of key outcrops of age equivalent Permian-Triassic rifts in Morocco and Nova Scotia. The interplay of tectonics and climate is observed to influence sedimentation, which has significant implications for reservoir distribution in analogue basins. New digital outcrop techniques are providing improved reservoir models, and identification of key marker horizons and sequence boundaries offers a potential subsurface correlation tool. Future work will address source and seal distribution within the potentially petroliferous basins.</description>
<date>2010-09-14</date>
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