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S.B. Nielsen

Modelling subsidence, heat flow, and hydrocarbon generation in extensional basins

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Present day observations in sedimentary basins of structural, geochemical, thermal and other geological and geophysical data reflect, in a complicated way, the history of basin evolution. Unravelling this history is a multidisciplinary task involving several earth science disciplines. In this article we consider the use of geodynamic and basin modelling in the study of various aspects of sedimentary basins formed by extension. Special emphasis is given to the modelling of tectonic subsidence, heat flow, and the breakdown of kerogen when the thermal coupling between the sedimentary cover and the lithosphere is properly accounted for. North Sea examples of basin subsidence are given from the Norwegian-Danish Basin and the Central Graben. The thermal degradation of kerogen is illustrated by model examples with special reference to the thermal effects of the lithospheric heat flow response to extension. -from Authors

Original languageEnglish
JournalFirst Break
Pages (from-to)23-31
Number of pages9
Publication statusPublished - 1 Jan 1990
Externally publishedYes

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