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Influence of wedge-rheology on the developent of foreland basin systems - insights from the zagros orogen and numerical modelling

English title Influence of wedge-rheology on the developent of foreland basin systems - insights from the zagros orogen and numerical modelling
Applicant Simpson Guy
Number 117582
Funding scheme Project funding
Research institution Département des sciences de la Terre Université de Genève
Institution of higher education University of Geneva - GE
Main discipline Geology
Start/End 01.06.2008 - 31.05.2011
Approved amount 198'920.00
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Keywords (11)

Foreland basins; fold-thrust belts; sedimentology; stratigraphy; thermochronology; tectonics; numerical modelling; Zagros; foreland basin; rheology; deforming orogen

Lay Summary (English)

Lead
Lay summary
Although it is widely recognised that fold-thrust belts are intimately linked to foreland basins, relatively few studies have focused on the coupled interactions that exist between them. In this project, we will focus on one aspect of this coupling that remains particularly poorly understood: how the rheology of fold-thrust belts influences the nature and development of foreland basins. We will compare and contrast all aspects of the foreland basins developing above and in front of dominantly-frictional versus dominantly-viscous decollements in the Zagros orogen. In order to carry out this investigation we will use a multidisciplinary approach including detailed field observations of the foreland basins and their deposits, an age-exhumation-provenance analysis of foreland basin sediments based on biostratigraphy, palynofacies, detrital low temperature thermochrology (zircon/apatite fission track) and detrital U-Pb age dating, combined with analysis of DEM's and available seismic sections and bore hole data. Together these methods will enable us to reconstruct the time-space evolution of the foreland basins and to identify how the rheology of the orogenic wedge influences and interacts with foreland basin development.
Direct link to Lay Summary Last update: 21.02.2013

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Associated projects

Number Title Start Funding scheme
134990 TECTONO-STRATIGRAPHIC INVESTIGATION OF THE NEOGENE ZAGROS FORELAND BASIN (IRAN) 01.06.2011 Project funding
134990 TECTONO-STRATIGRAPHIC INVESTIGATION OF THE NEOGENE ZAGROS FORELAND BASIN (IRAN) 01.06.2011 Project funding

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