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Using Sedimentary Markers to Evaluate Subsidence Rates: A Case study in the Gulf of LionNormal access

Authors: M. Rabineau, J-L Olivet, D. Aslanian, J. Baztan, C. Gorini and F. Bache
Event name: 10th International Congress of the Brazilian Geophysical Society
Session: Tectonic evolution and depositional prosecces in passive margins
Publication date: 19 November 2007
Organisations: SBGf
Language: English
Info: Extended abstract, PDF ( 165.42Kb )

Summary:
The sedimentary record of the offshore part of continental margins is characterized by important thermic subsidence, which favours a good preservation of sedimentary sequences (contrarily to the onshore part of margins). This sedimentation in turns enhances the subsidence because of loading effects. The quantification of this total postrift subsidence (and the relative effect of both factors) is not always easy, especially when no wells are available in the area. We present here a method based on sedimentary Markers, in the Gulf of Lion.

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