Abstract
Seismic-facies analysis and the subsurface tectonic evolution of the Western Sub-Basin (WSB)oftheGulfofSuez,Egypt,werestudiedbyseismicreflectiondataof45seismiclines.Eight of these lines were selected to illustrate the structural framework and depositional history of the WSB supported by the composition, velocity and vertical seismic profile (VSP) logs of ten wells. The analysis of two way time (TWT) structure-contour maps and rose diagrams revealed that the MiocenestrataaredissectedbyNE-SWtrendingfaultsoftheMorganAccommodationZone(MAZ). Northofthiszone,ageneraldiptowardsthenortheastisrecognized,southofthiszone,theregional dip is towards the southwest. The complex structural framework was the main factor controlling facieschangesofthesyn-depositionalMioceneunitsalongthestudyarea.
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