BUILDING BASEMENT STRUCTURE MODELS USING SATELLITE GRAVITY DATA IN SOUTHWESTERN EGYPT | ||||
| Journal of Egyptian Geophysical Society | ||||
| Volume 17, Issue 1, 2019, Page 139-154 PDF (3.42 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jegs.2019.402348 | ||||
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| Author | ||||
| A.S. HELALY | ||||
| Department of Geophysics, Faculty of Science, Ain Sham University Abbassiah, Cairo, Egypt. | ||||
| Abstract | ||||
| Some data enhancement techniques were applied on satellite gravity data in Oweinat and nearby areas, southwestern Egypt. These techniques were performed in the frequency-domain accomplished by a 2-D Fourier-Transformation of the residual profiles taken from the median-filtered residual gravity map for building regional basement structure models. Major fault elements were detected along the studied profiles that dissect the subsurface basement rocks and their overlying sedimentary cover. These faults appear with different fault patterns which are responsible for gravity anomaly undulations. The fault pattern causes the formation of alternating swells and troughs of variable areal extensions in basement rocks. Some troughs form sub- basins that could be suitable for groundwater accumulations basins in the study area. The general dip of the basement surface is towards the north, east and northeastern directions. | ||||
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