Geothermal Energy Reconnaissance of Southeastern Nigeria from Analysis of Aeromagnetic and Gravity Data

Aboud, E., Salem, A., & Mekkawi, M. (2011). Curie depth map for Sinai Peninsula, Egypt deduced from the analysis of magnetic data. Tectonophysics, 506, 46–54. Abraham, E. M., Lawal, K. M., Ekwe, A. C., Alile, O., Murana, K. A., & Lawal, A. A. (2014). Spectral analysis of aeromagnetic data for geothermal energy investigation of Ikogosi Warm Spring—Ekiti State, southwestern Nigeria. Geothermal Energy, 2, 1–21. Abraham, E. M., & Nkitnam, E. E. (2017). Review of geothermal energy research in Nigeria: The geoscience front. International Journal of Earth Science and Geophysics, 3, 015. Abraham, E. M., Obande, E. G., Mbazor, C., Chibuzo, G. C., & Mkpuma, R. O. (2015). Estimating depth to the bottom of magnetic sources at Wikki Warm Spring region, northeast Nigeria using fractal distribution of sources approach. Turkish Journal of Earth Sciences, 24, 1–19. Abubakar, M. B. (2014). Petroleum Potentials of the Nigerian Benue Trough and Anambra Basin: A Regional Synthesis. Natural Resources, 5, 25–58. Agagu, O. K., & Adighije, C. I. (1983). Tectonic and sedimentary framework of the lower Benue trough, Southeastern Nigeria. Journal of African Earth Sciences, 1(3/4), 267–274. Ajakaiye, D. E. (1981). Geophysical investigation in the Benue-Trough. A review; Earth Evolution. Arbitrary shape; In: Computers in the Minerals industries. Part 1 (ed.) Parks G A, Stanford University Publ. Geol. Sci. 9: 464–480. Ajakaiye, D. E., Daniyan, M. A., Ojo, S. B., & Onuoha, K. M. (1987). The southwestern Nigeria earthquake and its implications for the understanding of the tectonic structure of Nigeria. Journal of Geodynamics, 7, 205–214. Ajibade, A. C., & Fitches, W. R. (1988). The Nigerian Precambrian and the Pan-African Orogeny. Precambrian geology of Nigeria (pp. 45–55). Abuja: A publication of the Nigerian Geological Survey Agency. Avbovbo, A. A. (1978). Geothermal gradients in the Southern Nigerian Basin. Bulletin of Canadian Petroleum Geology, 26(2), 268–274. Babalola, O. O. (1984). High-Potential geothermal energy resource areas of Nigeria and their geologic and geophysical assessment. AAPG Bulletin, 68(4), 450. Bansal, A. R., Anand, S. P., Rajaram, M., Rao, V. K., & Dimri, V. P. (2013). Depth to the bottom of magnetic sources (DBMS) from aeromagnetic data of Central India using modified centroid method for fractal distribution of sources. Tectonophysics, 603, 155–161. Bansal, A. R., Gabriel, G., Dimri, V. P., & Krawczyk, C. M. (2011). Estimation of depth to the bottom of magnetic sources by a modified centroid method for fractal distribution of sources: an application to aeromagnetic data in Germany. Geophysics, 76, L11–L22. Baranov, V. (1957). A new method for interpretation of aeromagnetic maps: Pseudo-gravimetric anomalies. Geophysics, 22, 359–383. Benkhelil, J. (1986). Caracteristiques structurales et evolution geodynamique du basin intracontinentale de la Benoue (Nigeria). Thesis d_etat, Nice, p. 275. Benkhelil, J. (1989). The origin and evolution of the Cretaceous Benue Trough, Nigeria. J Afr Earth Sci, 8, 251–282. Bhattacharyya, B. K., & Leu, L. K. (1975). Spectral analysis of gravity and magnetic anomalies due to two-dimensional structures. Geophysics, 40, 993–1013. Bhattacharyya, B. K., & Morley, L. W. (1965). The delineation of deep crustal magnetic bodies from total field aeromagnetic anomalies. Journal of Geomagnetism and Geoelectricity, 17, 237–252. Bilim, F. (2007). Investigations into the tectonic lineaments and thermal structure of Kutahya-Denizli region, western Anatolia, from using aeromagnetic, gravity and seismological data. Physics of the Earth and Planetary Interiors, 165, 135–146. Blakely, R. J. (1988). Curie temperature analysis and tectonic implications of aeromagnetic data from Nevada. Journal of Geophysical Research: Solid Earth, 93, 11817–11832. Blakely, R. J. (1995). Potential theory in gravity and magnetic applications. Cambridge: Cambridge University Press. Chukwu, C. G., Udensi, E. E., Abraham, E. M., Ekwe, A. C., & Selemo, A. O. (2018). Geothermal energy potential from analysis of aeromagnetic data of part of the Niger-Delta Basin, Southern Nigeria. Energy, 143, 846–853. https://doi.org/10.1016/j.energy.2017.11.040. Cordell, L.& Grauch, V. J. S. (1985). Mapping basement magnetization zones from aeromagnetic data in the San Juan Basin, New Mexico. In: Hinze, W. J. (Ed.), The utility of regional gravity and magnetic anomaly maps, Society of Exploration Geophysicists, 181–197. Burke K., Dessauvagie, T. F. W.& Whiteman, A. J. (1972). Geological history of the Benue Valley and adjacent Areas. In Proceedings of the Conference on African Geology, 7–14 December, 1970, published by Department of Geology, University of Ibadan, Ibadan, Nigeria, pp. 187–205. Dolmaz, M. N., Ustaomer, T., Hisarli, Z. M., & Orbay, N. (2005). Curie point depth variations to infer thermal structure of the crust at the African-Eurasian convergence zone, SW Turkey. Earth Planets Space, 57, 373–383. Emujakporue, G. O., & Nwosu, L. I. (2017). Subsurface temperature prediction from multilayer solution of heat flow equation: a case study of Anambra Sedimentary Basin, Nigeria. IOSR Journal of Applied Geology Geophysics, 5(2), 60–67. Eppelbaum, L., & Katz, Y. (2015a). Eastern Mediterranean: Combined geologicalegeophysical zonation and paleogeodynamics of the Mesozoic and Cenozoic structural-sedimentation stages. Marine and Petroleum Geology, 65, 1–19. Eppelbaum, L., & Katz, Y. (2015b). Newly developed paleomagnetic map of the Easternmost Mediterranean joined with tectono-structural analysis unmask geodynamic history of this region. Open Geosci., 7, 95–117. Eppelbaum, L.& Katz, Y. (2017). Satellite gravity transforms unmask tectonic pattern of Arabian—African region. Geophysical Res. Abstracts, 19: EGU2017-2908-1. Eze, C. L., Sunday, V. N., Ugwu, S. A, Uko, E. D.& Ngah, S. A. (2011). Mechanical model for Nigerian intraplate earth tremors., Earthzine. http://www.earthzine.org/2011/05/17/mechanical-model-for-nigerian-intraplate-earth-tremors. Georgsson, L. S. (2009). Geophysical methods used in geothermal exploration. Presented at Short Course IV on Exploration for Geothermal Resources, organized by UNU-GTP, KenGen and GDC, at Lake Naivasha, Kenya, November 1–22. Gottsmann, J., Camacho, A. G., Martí, J., Wooller, L., Fernández, J., García, A., et al. (2008). Shallow structure beneath the Central Volcanic Complex of Tenerife from new gravity data: implications for its evolution and recent reactivation. Physics of the Earth and Planetary Interiors, 168, 212–230. Hoque, M., & Nwajide, C. S. (1985). Tectono-sedimentological evolution of an elongate intracratonic basin (aulacogen): The case of the Benue Trough of Nigeria. Journal of Mining and Geology, 21, 19–26. Jain, S. (1988). Total magnetic field reduction—The Pole or Equator? A model study. Canadian Journal of Exploration Geophysics, 24(2), 185–192. Kogbe, C. A., & Obialo, A. U. (1976). Statistics of mineral production in Nigeria (1946–1974) and the contribution of the mineral industry to the Nigerian economy. In C. A. Kogbe (Ed.), Geology of Nigeria (pp. 391–428). Lagos: Elizabethan Publishers. Kohrn, B., Bonet, C., DiFrancesco, D., & Gibson, H. (2011). Geothermal exploration using gravity gradiometry—A Salton Sea example. Geothermal Resources Council Transactions Volume 35. GRC Annual Meeting (2011). Kurowska, E.& Schoeneich, K. (2010). Geothermal exploration in Nigeria, Proceedings of World Geothermal Congress, Bali, Indonesia, 25–29. Leu, L. K. (1981). Use of reduction-to-the-equator process for magnetic data interpretation: Presented at the 51st Ann. Int. Mtg., Soc. Expl. Geophy., Los Angeles, Abstract P. 12, Geophysics 47, 445. Li, L., Huang, D., Han, L., & Ma, G. (2014). Optimised edge detection filters in the interpretation of potential field data. Exploration Geophysics, 45, 171–176. Loveless, S., Pluymaekers, M., Lagrou, D., De Boever, E., Doomenbal, H., & Laenen, B. (2014). Mapping geothermal potential of fault zones in the Belgium-Netherlands Border region. Energy Procedia, 59, 351–358. Maden, N. (2009). Crustal thermal properties of the Central Pontides (Northern Turkey) deduced from spectral analysis of magnetic data. Turkish Journal of Earth Sciences, 18, 1–10. Manea, M., & Manea, V. C. (2011). Curie point depth estimates and correlation with subduction in Mexico. Pure and Applied Geophysics, 168, 1489. https://doi.org/10.1007/s00024-010-0238-2. Manzella, A. (2009). Geophysical methods in geothermal exploration. Italian National Research Council. http://hendragrandis.files.wordpress.com/2009/04/a_manzella.pdf. Martakusumah, R., Suryantini, W. S., Pratama, A. B. & Haans, A. (2015). Gravity analysis for hidden geothermal system in Cipanas, Tasikmalaya Regency, West Java. Proceedings World Geothermal Congress 2015, Melbourne, Australia, 19–25. Mayhew, M. A. (1985). Curie isotherm surfaces inferred from high altitude magnetic anomaly data. Journal of Geophysical Research: Solid Earth, 90(B3), 2647–2654. Miller, H. G., & Singh, V. J. (1994). Potential Field tilt—A new concept for location of potential field sources. Applied Geophysics, 32, 213–217. Mishra, D. C., Kuma, M. R., & Arora, K. (2012). Long wavelength satellite gravity and geoid anomalies over Himalaya and Tibet: Lithospheric structures and seismotectonics of deep focus earthquakes of Hindu Kush—Pamir and Burmese arc. Journal of Asian Earth Sciences, 48, 93–110. Mohammadzadeh-Moghaddam, M., Mirzaei, S., Nouraliee, J., & Porkhial, S. (2016). Integrated magnetic and gravity surveys for geothermal exploration in Central Iran. Arabian Journal of Geosciences, 9, 506. Montesinos, F. G., Camacho, A. G., Nunes, J. C., Oliveira, C. S., & Vieira, R. (2003). A 3-D gravity model for a volcanic crater in Terceira Island (Azores). Geophysical Journal International, 154, 393–406. Murat, R. C. (1972). Stratigraphy and paleogeography of the Cretaceous and Lower Tertiary in southern Nigeria. In T. F. J. Dessauvagie & A. J. Whiteman (Eds.), African Geology (pp. 251–266). Nigeria: University of Ibadan Press. Nishijimaa, J., & Naritomi, K. (2017). Interpretation of gravity data to delineate underground structure in the Beppu geothermal field, central Kyushu, Japan. Journal of Hydrology: Regional Studies, 11, 84–95. Nur, A. (2000). Analysis of aeromagnetic data over the Yola arm of the Upper Benue Trough, Nigeria. Journal of Mining and Geology, 36, 77–84. Nur, A., Ofoegbu, C. O., & Onuoha, K. M. (1999). Estimation of the depth to the Curie point Isotherm in the upper Benue Trough, Nigeria. Journal of Mining and Geology, 35(1), 53–60. Nwachukwu, S. O. O. (1975). Geothermal regime of southern Nigeria. GRC Geothermal Library. pubs.geothermal-library.org/lib/grc/1005046.pdf (Proceedings: Secon UN symposium on the development and use of geothermal resources, 1: 205–212. Nwachukwu, S. O. (1976). Approximate geothermal gradients in Niger Delta Sedimentary Basin. AAPG Bulletin, 60(7), 1073–1077. Obaje, N. G. (1994). Coal petrography, microfossils and paleoenvironments of Cretaceous coal measures in the Middle Benue Trough of Nigeria. Tuebinger Mikropalaeontologische Mitteilungen, 11, 1–165. Obaje, N. G. (2009). Geology and mineral resources of Nigeria. Lecture notes in earth sciences. S. Bhattacharji, Brooklyn, H. J. Neugebauer, Bonn, J. Reitner, G¨ottingen, K. St¨uwe, Graz. Obande, G. E., Lawal, K. M., & Ahmed, L. A. (2014). Spectral analysis of aeromagnetic data for geothermal investigation of Wikki Warm Spring, north-east Nigeria. Geothermics, 50, 85–90. Obi, D. A., Okereke, C. S., Obei, B. C., & George, A. M. (2010). Aeromagnetic modelling of subsurface intrusives and its implication on hydrocarbon evaluation of the Lower Benue Trough, Nigeria. European Journal of Science and Research, 47, 347–361. Obi, G. C., Okogbue, C. O., & Nwajide, C. S. (2001). Evolution of the Enugu Cuesta: A tectonically driven erosional process. Global Journal of Pure Applied Sciences, 7, 321–330. Obiora, S. C., & Charan, S. N. (2010). Tectonomagmatic origin of some volcanic and sub-volcanic rocks from the Lower Benue rift. Nigeria. Journal African Earth Sciences., 58, 197–210. Oboh-Ikuenobe, F. E., Obi, C. G., & Jaramillo, C. A. (2005). Lithofacies, palynofacies, and sequence stratigraphy of Palaeogene strata in Southeastern Nigeria. Journal of African Earth Sciences, 41, 79–101. Ofoegbu, C. O. (1984). Interpretation of aeromagnetic anomalies over the Lower and Middle Benue Trough of Nigeria. Geophysical Journal of the Royal Astronomical Society, 79, 813–823. Ofoegbu, C. O. (1985). A review of the geology of the Benue Trough of Nigeria. Journal of African Earth Sciences, 3, 283–291. Ofoegbu, C. O., & Onuoha, K. M. (1991). Analysis of magnetic data over the Abakaliki Anticlinorium of the lower Benue Trough, Nigeria. Marine and Petroleum Geology, 8(2), 174–183. Oha, I. A., Onuoha, K. M., Nwegbu, A. N., & Abba, A. U. (2016). Interpretation of high-resolution aeromagnetic data over southern Benue Trough, southeastern Nigeria. Journal of Earth System Science, 125(2), 369–385. Okubo, Y., Graf, R. J., Hansen, R. O., Ogawa, K., & Tsu, H. (1985). Curie point depths of the Island of Kyushu and surrounding areas, Japan. Geophysics, 53(3), 481–494. Okubo, Y., & Matsunaga, T. (1994). Curie point depth in northeast Japan and its correlation with regional thermal structure and seismicity. Journal of Geophysical Research: Solid Earth, 99, 22363–22371. Okubo, Y., Matsushima, J., & Correia, A. (2003). Magnetic spectral analysis in Portugal and its adjacent seas. Physics and Chemistry of the Earth, 28, 511–519. Onuoha, K. M., & Ekine, A. S. (1999). Subsurface temperature variation and heat flow in the Anambra Basin, Nigeria. Journal of African Earth Sciences, 28(3), 641–652. Osazuwa, I. B., Ajakaiye, D. E., & Verheijen, P. J. T. (1981). Analysis of the structure of part of the Upper Benue Rift Valley on the basis of new geophysical data. Tectonophysics, 2, 126–134. Petters, S. W. (1982). Central West African Cretaceous-Tertiary benthic foraminifera and stratigraphy. Palaeontographica Abt, 179, 1–104. Rajaram, M., Anand, S. P., Hemant, K., & Purucker, M. E. (2009). Curie isotherm map of Indian subcontinent from satellite and aeromagnetic data. Earth and Planetary Science Letters, 281, 147–158. Represas, P., Santos, F. A., & Ribeiro, J. (2013). Interpretation of gravity data to delineate structural features connected to low-temperature geothermal resources at Northeastern Portugal. Journal of Applied Geophysics, 92, 30–38. Riad, S., Refai, E., & Ghalib, M. (1981). Bouguer anomalies and crustal structure in the Eastern Mediterranean. Tectonophysics, 71, 253–266. Rivas, J. (2009). Gravity and magnetic methods, short course on surface exploration for geothermal resources. UNU-GTP and LaGeo, in Ahuachapan and Santa Tecla. 1–13. Ross, H. E., Blakely, R. J., & Zoback, M. D. (2006). Testing the use of aeromagnetic data for the determination of Curie depth in California. Geophysics, 71(5), L51–L59. Salem, A., Furuya, S., Aboud, E., Elawadi, E., Jotaki, H. & Ushijima, K. (2005). Subsurface structural mapping using gravity data of Hohi Geothermal Area, Central Kyushu, Japan. Proceedings World Geothermal Congress, Antalya, Turkey. Salem, A., Ushijima, K., Elsiraft, A.& Mizunaga, H. (2000). Spectral, analysis of aeromagnetic data for geothermal reconnaissance of,Quseir area, northern Red Sea, Egypt. Proceedings of the world geothermal congress: 1669–1674. Sandwell, D. T., Garcia, E., Soofi, K., Wessel, P., & Smith, W. H. F. (2013). Towards 1 mGal Global marine gravity from CryoSat-2, Envisat, and Jason-1. The Leading Edge, 32(8), 892–899. https://doi.org/10.1190/tle32080892.1. Sandwell, D. T., Muller, R. D., Smith, W. H. F., Garcia, E., & Francis, R. (2014). New global marine gravity model from CryoSat-2 and Jason-1 reveals buried tectonic structure. Science, 346(6205), 65–67. Sandwell, D. T., & Smith, W. H. F. (2009). Global marine gravity from retracked Geosat and ERS-1 altimetry: Ridge segmentation versus spreading rate. Journal of Geophysical Research: Solid Earth, 114, B01411. https://doi.org/10.1029/2008jb006008. Sharma, P. V. (2004). Environmental and engineering geophysics (p. 475). Cambridge: Cambridge University Press. Short, K. C., & Stauble, A. J. (1967). Outline of geology of Niger delta. American Association of Petroleum Geologists Bulletin, 51, 761–779. Shuey, R. T., Schellinger, D. K., Tripp, A. C., & Alley, L. B. (1977). Curie depth determination from aeromagnetic spectra. Geophysical Journal International, 50, 75–101. Soengkono, S. (2011). Deep interpretation of gravity and airborne magnetic Data over the Central Taupo Volcanic Zone, New Zealand Geothermal Workshop. Spector, A., & Grant, F. S. (1970). Statistical models for interpreting aeromagnetic data. Geophysics, 35, 293–302. Stampolidis, A., & Tsokas, G. (2002). Curie point depths of Macedonia and Thrace, N. Greece. Pure and Applied Geophysics, 159, 1–13. Tanaka, A., Okubo, Y., & Matsubayashi, O. (1999). Curie-temperature isotherm depth based on spectrum analysis of the magnetic anomaly data in east and southwestern Asia. Tectonophysics, 306, 461–470. Thurston, J. B., & Smith, R. S. (1997). Automatic conversion of magnetic data to depth, dip and susceptibility contrast using the SPITM method. Geophysics, 62, 807–813. Trifonova, P., Zheler, Z., & Petrova, T. (2006). Curie point depths of the Bulgarian territory inferred from geomagnetic observations. Bulgarian Geophysical Journal, 32, 12–23. Trifonova, P., Zheler, Z., Petrova, T., & Bojadgieva, K. (2009). Curie point depths of the Bulgarian territory inferred from geomagnetic observations and its correlation with regional thermal structure and seismicity. Tectonophysics, 473, 362–374. Tsokas, G., Hansen, R. O., & Fyticas, M. (1998). Curie point depth of the Island of Crete (Greece). Pure and Applied Geophysics, 159, 1–13. Verduzco, B., Fairhead, J. D., Green, C. M., & MacKenzie, C. (2004). New insights into magnetic derivatives for structural mapping. The Leading Edge, 23, 116–119.