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۱Structural Implications of the Miocene Sequence in Abu Darag Basin, North Gulf of Suez, Egypt, Using Seismic Reflection Data
نویسنده(ها): ،
اطلاعات انتشار: World Applied Sciences Journal، سي و يكم،شماره۷، ۲۰۱۴، سال
تعداد صفحات: ۹
Seismic reflection re–evaluation was attempted at the extreme northern offshore portion of the Gulf of Suez. Interpretation of the seismic data and the information extracted from bore–holes penetrated in Abu Darag basin had led to construct a number of structural and isopach maps for the Miocene formations, confirmed by two geologic cross sections. They reveal much of the structural set–up, as well as the lateral and vertical distributions within the study area. The structural analysis shows that, Abu Darag basin is a NW pre–Miocene\Miocene trending graben that is dipping steeply toward the southwest. The frequency curves on the tops of Miocene targets indicate that the basin was affected by a poly–cyclic rift stages. The peaks correlation suggests rejuvenation of the NW Clysmic and NE Syrian Arc trends, in consequence with the Gulf of Suez tectonics. The isopachs show a real thickening of the Miocene and post Miocene sections toward the southwestern part, due to the subsidence and tilting of the fault blocks. They exhibit a substantial thinning at the northern portion of the basin, as a result of the Cretaceous folding and uplifting. The cross sections confirm that, the Miocene clastics were controlled by the pre–Miocene structures. They suggest that, the basin is tectonically ceased since the Upper Miocene time, with minor deformations accompanied with syn–rift tectonics.
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