International Journal of Scientific & Technology Research

Home About Us Scope Editorial Board Blog/Latest News Contact Us
SCImago Journal & Country Rank

Scopus coverage:
Nov 2018 to May 2020


IJSTR >> Volume 7 - Issue 2, February 2018 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Integrated Approach Involving Aeromagnetic And Landsat For Delineating Structures And Its Implication On Mineralisation

[Full Text]



Olomo, K. O., Olayanju, G. M., Adiat K. A. N., Akinlalu, A. A.



aeromagnetic, depth-to-magnetic source, Euler deconvolution, Landsat imagery, lineaments, magnetic structures, mineralisation. spectral analysis.



In this paper, the mineralization potential of Iperindo and its environs have been investigated using satellite remotely sensing and geophysical methods. The area of study lies within Ilesha schist belt of the Precambrian Basement Complex of Southwestern Nigeria. The integrated approach facilitated the assessment of the subsurface geology with the purpose of delineating the geological features and their implication on mineralization potential of the study area. The investigation involved the use of the extracted lineaments from Landsat Thematic Mapper imagery to compliment results of interpreted magnetic field intensity over the study area. Aeromagnetic data acquired from Nigeria Geological Survey Agency was interpreted using spectral analysis and Euler deconvolution of the processed magnetic anomaly map over the area. Enhancement of the magnetic anomalies observed from the interpreted magnetic anomaly map involved the use of reduction to equator, wavelength, upward continuation and derivative filters. The 3-D Euler deconvolution and radial spectral analysis were applied to locate and estimate the depth to various anomalous bodies, with depth to source body between 50 m and 500 m. The processed images revealed lineaments trending majorly in NE-SW directions diagnostic of primary structures of potential targets for mineralisation in the area. Generally, coincidence of both Landsat and aeromagnetic lineaments trends were observed in the study area, which suggested that these lineaments reflect real continuous fault/fractures in depth.



[1] S.L. Folami, “Interpretation of aero magnetic anomalies in Iwaraja area, Southwestern Nigeria”, Journal of Mining & Geology. Vol. 28, No. 2, pp. 391-396; 1992.

[2] J. K. Ogunmola, E.A. Ayolabi, S. B. Olobaniyi, “Lineament extraction from Spot 5 and Nigeria Sat-X imagery of the Upper Benue Trough, Nigeria”, International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XL-1, ISPRS Technical Commission I Symposium, 17 – 20 November 2014, Denver, Colorado, USA. pp. 323-330.

[3] E. E. Nama, “ Lineament Detection on Mount Cameroon During the 1999 Volcanic eruptions Using Landsat ETM”, International Journal of Remote Sensing, Vol. 25, No. 3, pp. 501-510; 2004. http://dx.doi.org/10.1080/ 0143116031000102557

[4] A. A. Akinlalu , A.O. Adelusi, G.M. Olayanju, K.A.N. Adiat, G.O. Omosuyi, A.Y.B. Anifowose, B.E. Akeredolu, “Aeromagnetic mapping of basement structures and mineralisation characterisation of Ilesa Schist Belt, Southwestern Nigeria”, Journal of African Earth Sciences, pp. 383-391; 2018.

[5] S.O. Akande, O. Fakorede, “Gold Mineralization in the Nigerian Schist Belts”, Bicentennial Gold, Melbourne, Vol. 88, pp. 140 -142; 1988.

[6] B. Adeoti, C.T. Okonkwo, “Structural evolution of Iwaraja shear zone, southwestern Nigeria”, Journal of African Earth Sciences, Vol. 131, pp. 117-127; 2017.

[7] A. O. Oyinloye, “Geology and Geotectonic Setting of the Basement Complex Rocks in South Western Nigeria: Implications on Provenance and Evolution”, Earth and Environmental Sciences, pp. 5-118; 2011.

[8] Nigerian Geological Survey Agency, “Airborne Magnetic Intensity Map of Ilesa Sheet 60; 1980.

[9] O.A. Ademeso, J.A. Adekoya, A. Adetunji, "Further evidence of cataclasis in the Ife-Ilesa schist belt, southwestern Nigeria", Journal of Natural Scientific Researches, Vol. 3, No. 11, pp. 50 – 59; 2013.

[10] A.Y.B Anifowose, A.M. Borode, “A Photogeological study of the fold structure in Okemesi area”, Nigeria Journal of Mining and Geology, Vol. 43, No. 2, pp. 125-130; 2007.

[11] L. Cordell, “Gravimetric expression of graben faulting in Santa Fe country and Espanola Basin, New Mexico”, New Mexican Geology society, pp. 59-64; 1979

[12] B. Reid, J. M. Alsop, H. Granser, A. J. Millet, I. W. Somerton, ”Magnetic interpretation in three dimensions using Euler deconvolution”, Geophysics, Vol. 55, pp. 80-91; 1990.

[13] B. Oruc, H. H. Selim, “Interpretation of magnetic data in the Sinop area of Mid Black Sea, Turkey, using tilt derivative, Euler deconvolution, and discrete wavelet transform”, Journal of Applied Geophysics, Vol. 74, pp. 194–204; 2011, http://dx.doi.org/10.1016/j.jappgeo.2011.05.007.

[14] J. Panisova, M. Frastia, T. Wunderlich., R. Pasteka., D. Kusnirák, “Microgravity and Ground-penetrating Radar Investigations of Subsurface Features at the St Catherine’s Monastery”, Slovakia. Archaeological Prospection, Vol. 20, pp. 163–174; 2013, dOI: 10.1002/arp.1450.

[15] G. M. Olayanju, “Geophysical mapping of the Inland Extension of Deep Ocean Fault Zones, South-Western Nigeria”, Earth Science Research; Vol. 4, No. 2; 2015, doi:10.5539/esr.v4n2p45.

[16] D. Gilbert, and A. Geldano, “a computer to perform transmissions of gravimetric and aeromagnetic surveys", Computers and Geosciences, Vol. 11, pp. 553-588; 1985.

[17] T. Ndousa-Mbarga, A.N.S. Fenmoue, E. Manguelle-Dicoum, J. D. Fairhead , “Aeromagnetic data interpretation to locate buried faults in south-East Cameroon”, Geophysica, Vol. 48, Series 1-2, pp. 49- 63; 2012.

[18] B.H. Jacosbsen, “a case for upward continuation as a standard separation filter for potential-Field maps”, Geophysics, Vol. 31 pp.1138-1148; 1987.

[19] R.J. Blakely, “Potential Theory in Gravity and Magnetic Applications”, Cambridge University Press, U.K. 441 pg.; 1996.

[20] G.R.J. Cooper, “Balancing images of potential field data”, Geophysics, Vol. 74, pp. 17- 20; 2009.
[21] P. Keating, M. Pilkington, “Euler deconvolution of the analytic signal and its application to magnetic interpretation”, Geophysics Prospect, Vol. 52, pp. 165-182; 2004.
[22] P.V. Sharma “Environmental and Engineering Geophysics”, Cambridge University Press, Cambridge. 475 pg.; 1997.

[23] Marson, E. E. Klingele , “Advantages of using the vertical gradient of gravity for 3-D interpretation”, Geophysics, Vol. 58, pp. 1588-1595; 1993.

[24] A. Spector, “Aeromagnetic map interpretation with the aid of digital computer”, CIM Bull. Vol. 64, pp. 67-33; 1971.

[25] M. A. Nur, K. M. Onuoha, C. O. Ofogbue, “Spectral analysis of aeromagnetic data over the middle Benue trough”, Nigeria Journal of Mining and Geology, Vol. 32, No. 2, 211-217; 1994.

[26] A. Tanaka, Y. Okubo, O. Matsubayashi, “Curie point depth based on spectrum analysis of the magnetic anomaly data in East and Southeast Asia”, Tectonophysics, Vol. 306, pp. 461–470; 1999.

[27] A. K. Bhatthcharyya, “Continuous Spectrum of the Total Magnetic Field Anomaly due to Rectangular Prismatic Body”, Geophysics, Vol. 31, pp. 97-121; 1966.

[28] H. H. Hassan, W. Peirce, J “Mapping geological features in HRM data using 2D steerable filters and its comparison to 2D wavelet transform”, 77th Annual SEG Meeting in San Antonio. SEG Technical Program Expanded Abstracts, pp. 795-799; 2007.

[29] T.T. Emberga, C. Timothy, “Spectral Re-evaluation of the magnetic basement depth over Yola arm of upper Benue trough Nigeria using aeromagnetic data”. Standard Scientific Researches and Essays, Vol.12, Series 9, pp. 364- 373; 2014.

[30] Geosoft Incorporation, “OASIS Montaj Version 4.0 User Guide”, Geosoft Incorporated, Toronto;1996.

[31] A. Spector, F.S. Grant, “Statistical models for interpreting aeromagnetic data”, Geophysics, Vol. 35, pp. 293-302; 1970.

[32] Kivior, D, Boyd, “Interpretation of the aeromagnetic experimental survey in Eromanga/Cooper Basin”, Journal of Canadian Exploration Geophysics, Vol. 34, pp. 58-66; 1998.

[33] G. M. Olayanju, O. Ojo, “Magnetic Characterization of Rocks Underlying FUTA Campus, South-western Nigeria”, Journal of Environment and Earth sciences, Vol. 5, No. 14: 113-127; 2015.

[34] D. T. Thompson, "EULDPH: A new technique for making computer-assisted depth estimates from magnetic data”, Geophysic, 47, 31 – 37; 1982, http://dx.doi.org/10.1190/1.1441278.

[35] V. C. F. Barbosa, J. B. C. Silva, W. E. Medeiros, “Stability Analysis and Improvement of Structural Index Estimation in Euler Deconvolution”, Geophysics, Vol. 64, pp. 48-60; 1999.

[36] S. K. Hsu, “Imaging magnetic sources using Euler‘s equation. Geophysical prospecting, Vol. 50, pp.15-25; 2002.

[37] D.S. Parasnis, “Principles of Applied Geophysics”, Chapman Hall, London, pp. 43-44; 1986.

[38] F.C. Fieberg, “Ground magnetic investigations for gold prospecting in south-western Nigeria”. Presentation at the 62nd Meeting of the German Geophysical Society, Hannover. Geological Survey, Open– file Rep. 83, 237.Greece, pp. 105-118; 2002.

[39] A. Mohammed, K. Palanivel, C. J. Kumanan, “Significance of Surface Lineaments for Gas and Oil Exploration in Part of Sabatayn Basin-Yemen”, Journal of Geography and Geology, Vol. 2, No. 1, pp. 119-128; 2010. http://dx.doi.org/10.5539/jgg.v2n1p119

[40] A. Mah, G. R.Taylor, P. Lennox, L. Balia, “Lineament Analysis of Landsat Thematic Mapper Images, Northern Territory, Australia”, Photogrammetric Engineering and Remote Sensing, Vol. 61, No. 6, 761-773; 1995,

[41] F. F. Sabins, “Remote Sensing: Principles and interpretation”, San Francisco, W.H. Freeman and Co., 321pg. 1978.