none 10.1144/petgeo2016-059 Geological Society of London Geological Society of London 1881 89072579 78679 2024072322130800158 10.1144 2024-07-24T06:13:28Z 2017-03-24T21:16:37Z 37 Petroleum Geoscience PG 1354-0793 2041-496X 11 2017 11 2017 23 4 Ethel Morales Instituto de Ciencias Geológicas, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay Hung Kiang Chang Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, Campûs de Rio Claro, São Paulo, Brasil Matías Soto Instituto de Ciencias Geológicas, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay Fernando Santos Corrêa Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, Campûs de Rio Claro, São Paulo, Brasil Gerardo Veroslavsky Instituto de Ciencias Geológicas, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay Héctor de Santa Ana Exploración y Producción, ANCAP (Administración Nacional de Combustibles, Alcohol y Portland), Paysandú s/n y Av. del Libertador, 11100 Montevideo, Uruguay Bruno Conti Exploración y Producción, ANCAP (Administración Nacional de Combustibles, Alcohol y Portland), Paysandú s/n y Av. del Libertador, 11100 Montevideo, Uruguay Gloria Daners Instituto de Ciencias Geológicas, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay Regional seismic reflection profiles and well data from the Uruguayan margin were integrated in order to analyse and illustrate its tectonic and stratigraphic evolution. The evolution of the Punta del Este and Pelotas basins is divided into four major phases: pre-rift (Palaeozoic); rift (Jurassic–Early Cretaceous); transition (Barremian–Aptian) and post-rift (Aptian–Present). Each of these phases is characterized by a specific structural configuration and a stratigraphic architecture related to basin type, tectonic elements, sediment supply and base-level changes. During the geological evolution of the Uruguayan continental margin, a NE migration of depocentres occurred. 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