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Cenozoic basin development and stratigraphy of the Faroes area

By Aage Bach Sørensen


ABSTRACT: The present paper reviews the geological development of the Faroes part of the NE Atlantic Margin in the Cenozoic Era. The Faroes area is located west of the post-Caledonian rift basin system formed in the Devonian after the collapse of the Caledonian mountains. Tectonic movements and plate reorganizations during several phases have strongly influenced sedimentation and erosion along the Caledonian front. During the Cenozoic four main tectonic phases with uplift, non-deposition or erosion, had a major influence on basin development and structural setting. First, the arrival of the Icelandic plume to the Faroes area caused a series of uplift phases, which are recorded in the Selandian–Early Ypressian sedimentary succession. Second, tectonic uplift in the Middle Eocene ended the period of almost continuous subsidence of the Judd Basin since the Danian. In the Middle and Late Eocene new depocentres formed in the northern part of the Faroe–Shetland Trough and in the Faroe Bank Basin. Third, due to uplift and sea-level fall in the Late Oligocene, widespread erosion of the Eocene and Oligocene successions resulted in a major unconformity on the shelf. Finally, in Neogene times

Topics: Faroe Islands, stratigraphy, basin development, petroleum system, Neogene, Palaeogene
Year: 2009
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