The Aggradational to Retrogradational Stacking Pattern of the Hugin Formation (Callovian - Early Oxfordian) Southern Viking Graben, North Sea*

The aggradational to retrogradational part (200 m thick) of the Hugin Formation has been studied in the Sleipner Field in the South Viking Graben, North Sea (Figure 1). The formation was deposited in the Middle Jurassic during the opening and finally drowning of the Viking Graben (Thomas and Coward, 1996)(Figure 2). The Hugin Formation consists of shallow marine sediments deposited during overall transgressive and aggradational conditions. Regionally, the Hugin Formation represents the termination of the southward retreat of the Brent system.