Abstract

The Pyreneo-languedocian sediment body, located in the western secter of the Gulf of Lions, Western Mediterranean Sea, is an exmaple of a fan-like depositional system whose deposition is essentially controlled by salt tectonics. The area was subjected to a combined effect of overburden subsidence into the evacuated salt horizon and a significant distal salt thickening, due to a preferential basinward salt migration. This mode of salt migration impacted the Quaternary sea-bottom morphology by creating a large midslope topographic low, providing space accommodation for the Pyreneo-languedocian fan.

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