Abstract

A study of seismic lines and well data from the region between the Isar and Inn rivers (SE Germany) indicates the presence of three main depositional cycles in the Molasse Basin: Upper Eocene-Chattian Sands, Upper Chattian Marls-Aquitanian Sandstone-Shale Series and Aquitanian Fish Shales-Upper Freshwater Molasse. The flexural subsidence caused by thrust loading has the greatest influence in increasing/reducing the accommodation space for the deposition, which controlled the displacement of the depositional axis in a N-S direction. However, eustatic sea-level changes, which caused the shoreline to shift in a W-E direction, have a strong impact on the stratigraphic development of this typical foreland basin.

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