Ibraheem, Ismael M. ORCID: 0000-0001-6228-246X, Elawadi, Eslam A. and El-Qady, Gad M. (2018). Structural interpretation of aeromagnetic data for the Wadi El Natrun area, northwestern desert, Egypt. J. Afr. Earth Sci., 139. S. 14 - 26. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 1879-1956

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The Wadi El Natrun area in Egypt is located west of the Nile Delta on both sides of the Cairo Alexandria desert road, between 30 degrees 00' and 30 degrees 40'N latitude, and 29 degrees 40' and 30 degrees 40'E longitude. The name refers to the NW-SE trending depression located in the area and containing lakes that produce natron salt. In spite of the area is promising for oil and gas exploration as well as agricultural projects, Geophysical studies carried out in the area is limited to the regional seismic surveys accomplished by oil companies. This study presents the interpretation of the airborne magnetic data to map the structure architecture and depth to the basement of the study area. This interpretation was facilitated by applying different data enhancement and processing techniques. These techniques included filters (regional-residual separation), derivatives and depth estimation using spectral analysis and Euler deconvolution. The results were refined using 2-D forward modeling along three profiles. Based on the depth estimation techniques, the estimated depth to the basement surface, ranges from 2.25 km to 5.43 km while results of the two-dimensional forward modeling show that the depth of the basement surface ranges from 2.2 km to 4.8 km. The dominant tectonic trends in the study area at deep levels are NW(Suez Trend), NNW, NE, and ENE (Syrian Arc System trend). The older ENE trend, which dominates the northwestern desert is overprinted in the study area by relatively recent NW and NE trends, whereas the tectonic trends at shallow levels are NW, ENE, NNE (Aqaba Trend), and NE. The predominant structure trend for both deep and shallow structures is the NW trend. The results of this study can be used to better understand deep-seated basement structures and to support decisions with regard to the development of agriculture, industrial areas, as well as oil and gas exploration in northern Egypt. (C) 2017 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
CreatorsEmailORCIDORCID Put Code
Ibraheem, Ismael M.UNSPECIFIEDorcid.org/0000-0001-6228-246XUNSPECIFIED
URN: urn:nbn:de:hbz:38-195231
DOI: 10.1016/j.jafrearsci.2017.11.036
Journal or Publication Title: J. Afr. Earth Sci.
Volume: 139
Page Range: S. 14 - 26
Date: 2018
Place of Publication: OXFORD
ISSN: 1879-1956
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
GRAVITYMultiple languages
Geosciences, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/19523


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