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Edge detection of aeromagnetic data as effective tools for structural imaging at Shilman area, South Eastern Desert, Egypt

  • S. I. Geology of Africa
  • Published:
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Abstract

Aeromagnetic data over an extending part of Shilman area, South Eastern Desert (SED) of Egypt have been processed for enhancing the edges of magnetic sources to give a clear understanding of the structural framework. Various edge detectors including 1st vertical derivative (1st VD), total gradient (TG), and Theta were utilized to define the boundaries of the magnetic origins. These methods are applied to a synthetic model firstly. The interpretation exhibits that the N-S and NW directions are dominant in 1st VD map. The NW structural trend is dominant in the TG map while NW and N-S are the main structural trends controlling the Theta map of Shilman area. The correlation between the utilized techniques indicated that the Theta method is more effective in detecting the edges of magnetic sources of Shilman area than those of 1st Vd and TG methods. These results display that the Theta method is a powerful tool for enhancing the source edges of magnetic data.

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References

  • Abd El-Naby H, Frisch W, Hegner E (2000) Evolution of the Pan-African Wadi Haimur metamorphic sole, Eastern Desert, Egypt. J Metamorph Geol 18:639–651

    Article  Google Scholar 

  • Abdeen MM, Abdelghaffar AA (2011) Syn- and postaccretionary structures in the Neoproterozoic Central Allaqi-Heiani suture zone, Southeastern Egypt. Precambrian Res 185:95–108

    Article  Google Scholar 

  • Aeroservice Co (1984) Final operational report of airborne magnetic/radiation survey in the Eastern Desert, Egypt. Aeroservice for EGPC, Houston, Texas, April 1984 .Six volumes. An internal report .No.3609

  • Arisoy M, Dikmen U (2013) Edge detection of magnetic sources using enhanced total horizontal derivative of the Tilt angle. Bull Earth Sci Appl Res Cent Hacet Univ 34:73–82

    Google Scholar 

  • Baranov V (1957) A new method for interpretation of aeromagnetic maps: pseudo-gravimetric anomalies. Geophysics 22:359–383

    Article  Google Scholar 

  • Bastani M, Pedersen LB (2001) Automatic interpretation of magnetic dike parameters using the analytical signal technique. Geophysics 66(2):551–561

    Article  Google Scholar 

  • Blakely RJ, Simpsom RW (1986) Approximating edges of source bodies from magnetic or gravity anomalies”. Geophysics 51:1494–1498

    Article  Google Scholar 

  • Cooper GRJ (2009) Balancing images of potential-field data. Geophysics 74(3):L17–L20

    Article  Google Scholar 

  • Cooper GRJ, Cowan DR (2006) Enhancing potential field data using filters based on the local phase. Comput Geosci 32(10):1585–1591

    Article  Google Scholar 

  • Cordell L, Grauch VJS (1985) Mapping basement magnetization zones from aeromagnetic data in the San Juan Basin. New Mexico. In: Hinze WJ (ed) The utility of regional gravity and magnetic anomalies maps. Soc Explor Geophys 181–197. https://doi.org/10.1190/1.0931830346.ch16

  • Ekwok SE, Akpan AE, Ebong DE (2019) Enhancement and modeling of aeromagnetic data of some inland basins, southeastern Nigeria. J Afr Earth Sci 155:43–53

    Article  Google Scholar 

  • Eldosouky AM (2019) Aeromagnetic data for mapping geologic contacts at Samr El-Qaa area, North Eastern Desert, Egypt. Arab J Geosci 12:2. https://doi.org/10.1007/s12517-018-4182-2

    Article  Google Scholar 

  • Eldosouky AM, Elkhateeb SO (2018) Texture analysis of aeromagnetic data for enhancing geologic features using co-occurrence matrices in Elallaqi area. South Eastern Desert of Egypt 7(1):155–161. https://doi.org/10.1016/j.nrjag.2017.12.006

    Article  Google Scholar 

  • Eldosouky AM, Abdelkareem M, Elkhateeb SO (2017) Integration of remote sensing and aeromagnetic data for mapping structural features and hydrothermal alteration zones in Wadi Allaqi area, South Eastern Desert of Egypt. J Afr Earth Sci 10:1016

    Google Scholar 

  • Eldosouky AM, Saada SA (2020) Source edge detection (SED) of aeromagnetic data synthetic examples and a case study from Haimur area, south Eastern Desert, Egypt. Arab J Geosci 13, 626. https://doi.org/10.1007/s12517-020-05653-8

  • Eldosouky AM, Sehsah H, Elkhateeb SO, Pour AB (2020a) Integrating aeromagnetic data and Landsat-8 imagery for detection of post-accretionary shear zones controlling hydrothermal alterations: The Allaqi-Heiani Suture zone, South Eastern Desert. Egypt. Advances in Space Research 65:1008–1024. https://doi.org/10.1016/j.asr.2019.10.030

  • Eldosouky AM, Pham LT, Hassan P, Pradhan MB (2020b) A comparative study of THG, AS, TA, Theta, TDX and LTHG techniques for improving source boundaries detection of magnetic data using synthetic models: A case study from G. Um Monqul, North Eastern Desert, Egypt. Journal of African Earth Sciences 170:103940

  • Eldosouky AM, Elkhateeb SO, Ali A, Kharbish S (2020c) Enhancing Linear features in Aeromagnetic data using directional horizontal gradient at Wadi Haimur area. South Eastern Desert, Egypt, Carpathian Journal of Earth and Environmental Sciences 15(2):323–326

  • Foss C (2011) Magnetic Data Enhancements and Depth Estimation. In: Gupta H.K. (eds) Encyclopedia of Solid Earth Geophysics. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-8702-7_104

  • Kröner A, Greiling R, Reischmann T, Hussein IM, Stern RJ, Kruger J, Duur S, Zimmer M (1987) Pan-African crustal evolution in the Nubian segment of Northeast Africa. In: Kröner A (ed) Proterozoic Lithosphere Evolution. American Geophysical Union, Washington D.C, pp 235–257

    Chapter  Google Scholar 

  • Oruç B (2011) Edge detection and depth estimation using a tilt angle map from gravity gradient data of the Kozaklı-Central Anatolia region, Turkey. Pure Appl Geophys 168:1769–1780

    Article  Google Scholar 

  • Oruç B, Keskinsezer A (2008) Structural setting of the northeastern Biga Peninsula (Turkey) from tilt derivatives of gravity gradient tensors and magnitude of horizontal gravity components. Pure Appl Geophys 165:1913–1927

    Article  Google Scholar 

  • Pham LT, Oksum E, Do TD (2019) Edge enhancement of potential field data usingthe logistic function and the total horizontal gradient. Acta Geod. Geophys 54(1):143–155. https://doi.org/10.1007/s40328-019-00248-6

    Article  Google Scholar 

  • Pilkington M, Tschirhart V (2017) Practical considerations in the use of edge detectors for geologic mapping using magnetic data. Geophysics 82(3):J1–J8. https://doi.org/10.1190/geo2016-0364.1

    Article  Google Scholar 

  • Roest W, Verhoef J, Pilkington M (1992) Magnetic interpretation using 3-D analytical signal. Geophysics 57:116–125

    Article  Google Scholar 

  • Sehsah H, Eldosouky AM, El Afandy AH (2019) Unpaired ophiolite belts in the Neoproterozoic Allaqi-Heiani suture, the Arabian-Nubian shield: evidences from magnetic data. J Afr Earth Sci 156:26–34. https://doi.org/10.1016/j.jafrearsci.2019.05.002

    Article  Google Scholar 

  • Wijns C, Perez C, Kowalczyk P (2005) Theta map: edge detection in magnetic data. Geophysics 70(4):L39–L43

    Article  Google Scholar 

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Correspondence to Ahmed Mohammed Eldosouky.

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This article is part of the Topical Collection on New Advances and Research Results on the Geology of Africa

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Eldosouky, A.M., Mohamed, H. Edge detection of aeromagnetic data as effective tools for structural imaging at Shilman area, South Eastern Desert, Egypt. Arab J Geosci 14, 13 (2021). https://doi.org/10.1007/s12517-020-06251-4

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