Professor, Geology Department

Prof. Osita C. Okeke

Prof. Osita Christopher Okeke

Professor

Tel.: +2348038851219
Email: osita.okeke@futo.edu.ng

Biography

Prof. O. C. Okeke holds a B.Sc in Geology from University of Ibadan (UI), in 1978 followed by M.Sc in Engineering Geology from University of Nigeria Nsukka (UNN), in 1983. In addition, Prof. O. C. Okeke obtained a diploma in Hydraulic Engineering (PGD), in 1988 from the Netherland’s Delft University of Technology. Similarly, he holds a PhD in Engineering Geology and Geotechnics from University of Nigeria Nsukka (UNN), in 2008.

Prof. O.C. Okeke has worked in different places including Bauchi State Water Board and Federal Polytechnic Idah (Kogi State). He joined the Federal University of Technology as a lecturer 1 in 1995 where he grew to become the acting Head of Geology Department in December 2010 – July 2012. In July 2016, he became the Head of Geology Department where he served till June 2018. Prof. O.C. Okeke is a member of several professional bodies and scientific societies such as including Nigerian Mining and Geosciences Society (NMGS), Nigerian Society of Engineers, International Association of Hydrological Sciences etc.

Research Interest
Publications

RESEARCH INTEREST

His research interest is in Engineering Geology and Geotechnics, Hydraulic/Water Resources Engineering, Rock Mechanics and Environmental Geosciences.

Publications

A.   JOURNALS

  1. Okeke, O.C., 1991. Role of Mineral Raw Materials in the Development of Indigenous Building Materials Industry in Nigeria. Journal of Mining and Geology. Vol. 27, No. 2, pp. 127 – 133.
  2. Okeke, O.C., 1992. On the Improvement of Foundation Soils in Nigeria. The Nigerian Engineer, Journal of the Nigerian Society of Engineers. Vol. 27, No. 1, pp. 69 – 73.
  3. Okeke, O.C., 1992. Challenges of Natural Hazards Mitigation in the 1990s, Engineering Focus. Vol 4 No. 3. pp. 42 – 50.
  4. Okeke, O.C., 1993. PH and Iron Concentration in Groundwaters of Idah, Nigeria. Journal of Environmental Hydrology. Vol. 1. No. 2, pp. 28 – 30.
  5. Okeke, O.C., 1995. Environmental Aspects of Water Resources Development in Nigeria. Journal of Environmental Hydrology. Vol. 3, No. 2, pp. 28 – 34.
  6. Okeke, O.C., 1997. Environmental Impacts of Construction Industry in Nigeria. Builders Magazine. A Journal of Building Science and Management. Vol. 12, No. 1, pp. 5 – 10.
  7. Okeke, O.C., 1997. Appraisal of Water Resources Management in Nigeria. Geoscience and Development, Journal of the Association of Geoscientists for International Development. No. 4/5, pp. 17 – 19.
  8. Okeke, O.C., 1998. On the Social Consequences of Industrial Development in Nigeria. An Overview. Journal of Arts and Social Science. Vol. 1, pp. 18 – 24.
  9. Selemo, A.O., Okeke, O.C. and Offor, C., 1999. Investigation of the Engineering Properties of Otamiri River Alvana Journal of Science. Vol. 1, No. 2. pp. 28 – 36.
  10. Okeke, O.C., 2000. Environmental Issues of Industrial Development in Nigeria, Geoscience and Development, Journal of the Association of Geoscientists for International Development. No. 6, pp. 21 – 24.
  11. Ibe, K.M., Okeke, O.C., and Chukwureh, E.C., 2000. The Evaluation of Brickmaking Characteristics of Mudrocks from Mamu Formation in Enugu Area, Southeastern Nigeria. Journal of Science, Engineering and Technology (JSET). Vol. 7, No. 3. pp. 2612 – 2625.
  12. Okeke, O.C. and Agbasoga, J.C., 2001. Evaluation of Ihiagwa Gravel Deposit as Aggregates for Concrete and Highway Pavements, Journal of Mining and Geology. Vol. 37, No. 1,
  13. 77 – 84.
  14. Okeke, O.C., Ofulume, A.B. and Ezeamakam, C.I., 2001. Assessment of the Industrial Potential of Major Porter Clay Deposit in Plateau State, Nigeria. Science Forum, Journal of Pure and Applied Sciences. Vol. 4, No. 1, pp. 76 – 85.
  15. Okeke, O.C., 2001. Assessing the Sustainability of Aggregate Production in Imo State, Nigeria, Journal of Management and Technology. Vol. 3, pp. 183 – 193.
  16. Okeke, O.C., and Ihediwa, N.I., 2001. Geotechnical Characterization of Mudrocks from Mamu Formation in Enugu Area, Southeastern Nigeria. Nigerian Journal of Earth Sciences. Vol. 1, No. 1, pp. 49 – 66.
  17. Okeke, O.C., and Ogwude, M.N., 2002. Using Piezometer Records to Evaluate the Stability of Goronyo and Tiga Dams in Northern Nigeria, Global Journal of Pure and Applied Sciences. Vol. 8, No. 1, pp. 57 – 66.
  18. Okeke, O.C. and Igboanua, A.H., 2003. Characteristics and Quality Assessment of Surface Water and Groundwater Resources of Awka Town, Southeastern Nigeria. Water Resources, Journal of the Nigerian Association of Hydrogeologists (NAH). Vol. 14, pp. 71 – 77.
  19. Okeke, O.C. and Akaolisa, C.C.Z., 2004. Role of Geotechnics in Environmental Impact Studies in the Petroleum Industry, Advances in Geosciences. Vol. 2, pp. 1 -10.
  20. Okeke, O.C., Akalonu, A.N. and Jonathan, A.E., 2004. Mineralogical Composition and Depositional Environment of Enugu Coal, Southeastern Nigeria. Advances in Geosciences. Vol. 2, pp. 24 – 31.
  21. Nwankwor, G.I., Okeke, O.C. and Ahiarakwem, C. A., 2004. Land Capability Index Mapping of Enugu Area for Residential Use Planning: Preliminary Interpretations. Advances in Geosciences. Vol. 2. pp. 54 – 64.
  22. Okeke, O.C. and Iwuoha C., 2005. Strength and Durability Characteristics of Crushed – Rock Aggregates from Oban Massif, Southeastern Nigeria. Journal of Science, Engineering and Technology (JSET). Vol. 12, No.3, pp. 6259 – 6269.
  23. Okeke, O.C. Essien, A.G. and Atueyi, C.C., 2005. Geochemical Anomalies in Aba River Sediments Associated with Anthropogenic Activities in Aba Area, S. E. Nigeria. Journal of Research in Physical Science. Vol. 1, No. 1, pp. 86 – 90.
  24. Okeke, O.C. and Uzoh, O.F., 2009. Towards Achieving Sustainable Water Resources Management in Nigeria. Global Journal of Geological Sciences. Vol. 7, No. 1, pp. 85 – 92.
  25. Okeke, O.C., 2010. Influence of Pressure Gradients and Fracturing in Oil Field Rocks on Hydrocarbon Accumulation and Exploitation. Global Journal of Geol. Sciences. Vol. 8, No. 1, pp. 25 – 34.
  26. Okeke, O.C. and Okogbue, C.O., 2010. Effects of Lime – Stabilization on Geotechnical Properties of an Expansive Soil from Abakaliki Basin, Southeastern Nigeria. International Journal of Environmental Science. Vol. 6, pp. 139 – 145.
  27. Okeke, O.C. and Okogbue, C.O., 2010. Distribution and Geotechnical Properties of Expansive Soils in Parts of Southeastern Nigeria. Journal of Mining and Geology. Vol. 46, No.1, pp. 13 – 31.
  28. Okeke, O.C. and Enwelu, C., 2010. Geotechnical Aspects of Soil Erosion Investigation, Control and Prevention. Universal Journal of Techno-Science (UNJOTECS), Vol. 1, No. 2,
  29. 1-13.
  30. Okeke, O.C. and Okogbue, C.O., 2011. Shales: A Review of Their Classifications, Properties and Importance to the Petroleum Industry. Global Journal of Geological Sciences, Vol. 9, No. 1, pp. 55-73.
  31. Okeke, O.C., Ezeoke, E.I. and Onuoha, B.O., 2011. Geotechnical Evaluation of Lateritic Soil Deposits in Parts of Anambra Basin, Southeastern Nigeria, for Road Construction. International Journal of Environment Science. Vol. 7, pp. 108 – 114.
  32. Okeke, O.C., Onyekuru, S.O., Israel, H.O. and Uduehi, G., 2011. Geology and Hydrogeology of Ishan District, Southwestern Nigeria. International Research Journal of Geology and Mining. Vol. 1, No. 1, pp. 1-11.
  33. Okeke, O.C., Israel, H.O., Enwelu, C. and Ekere, J.T.,  Identification and Engineering Characterization of Some Basement Rock Samples from Oban Massif, Southeastern Nigeria. Journal of Research in Engineering. Vol.8, No.3, pp.119-126.
  34. Okeke, C. and Okogbue, C.O., 2012. Investigation of the use of cement and lime Additives in the Improvement of an Expansive Soil from Amuro-Okgwe, Southeastern Nigeria. International Journal of Scientific Innovations. Vol. 4., No. 3 pp. 123-137.
  35. Okeke, C. and Enwelu, C., 2012. Investigation of the use of Rice Husk Ash as Partial Replacement for Cement in the Production of Sandcrete Block. International Journal of Science and Technological Research. Vol. 9, No. 1, pp. 5-11
  36. Onyekuru, S.O., Agumanu, A.E., Ahiarakwem, A., and Okeke, O.C., 2012. Hydrogeochemical Study of Surface and Groundwater System in Parts of Umuahia and Environs, Nigeria Delta Basin, Nigeria. Journal of Current Research. Vol. 4, No. 10,
  37. 115-118
  38. Okeke, O.C. and Ekere, J.T., 2012. Effects of Variation of Sand and Laterite Mixtures on Compressive Strength of Cement –Stabilized Lateritic Bricks. Journal of Applied Science and the Environment. Vol. 3, pp. 49-53.
  39. Okeke, O.C. and Izuoma, S.P., 2013. Survey of Heavy Metal Concentration in Groundwater Resources of Onitsha Southeastern Nigeria. International Journal of Environmental Issues. Vol. 10 No. 1 & 2, pp. 90-102.
  40. Okeke, O.C. Ogbunyiba, O.O and Chukwujekwu, D., 2013. Geotechnical Evaluation of Lateritic Soil Deposits in Parts of Abuja (Nigeria), for Road Construction. International Journal of Environmental Issues. Vol. 10 No. 1 & 2, pp. 148-160.
  41. Ogoh, O.C. and Okeke, O.C., 2013. On the Science and Impacts of Climate Change: An Overview International Journal of Environmental Issues. Vol. 10, No. 1&2, pp. 11-211.
  42. Bereiwerisco, M.O. and Okeke, O.C., 2013, Oil Spills: Causes, Environmental Hazard and Mitigation International Journal Environmental Issues. Vol. 10, No. 1&2, pp. 36-52.
  43. Enwelu, C., Okeke, O.C. and Okengwo, O.N., 2014. Floods: Causes, Effects and Control. Journal of Management and Technology. Vol. 13, pp. 32-37.
  44. Enwelu, C., Okeke, O.C.and Chukwu, E.O., 2014. Solid Waste Management Challenges in Nigeria. Journal of Management and Technology. Vol. 13, pp. 45-50.
  45. Paschal, C.C. Okeke, O.C., Onunkwo, A.A and Okengwo, O.N., 2014. Hydrogeochemical Assessment of Groundwater Quality in Ohaji/Egbema Eastern Niger Universal Journal of Environmental Research and Technology. Vol. 4, No. 6, pp. 307-316.
  46. Okengwo, O.N., Okeke O.C, Okereke, C.N. and Paschal, C.C., 2015. Geological and Geotechnical Studies of Gully Erosion at Ekwulobia, Oko and Nanka Towns, Southeastern Nigeria. Electronic Journal of Geotechnical Engineering. Vol. 20, No.1, pp.113-122.
  47. Okeke, O.C. and Izuoma, S.P., 2015. Environmental Implications of Heavy Metal Concentration in Surface Waters and River Sediments of Onitsha and Environs, Southeastern Nigeria. IIARD-International Journal of Geography and Environmental Management. Vol. 1, No. 1, pp. 1-23.
  48. Okeke, O.C, A Review of the Mechanism and Engineering Significance of Hydraulic Fracturing. FUTO Journal Series. Vol. 1, No. 1, pp. 95-110.
  49. Okeke, O.C. and Agubom, J.K., 2015. Geoenvironmental Assessment of Lead-Zinc Mining in Abakiliki Area, Southeastern Nigeria, in Relation to Heavy Metal Pollution. FUTO Journal Series. Vol. 1, No. 2, pp. 304-315.
  50. Nkpuma, R.O., Okeke, O.C. and Abraham, E.M., 2015. Environmental Problems of Surface and Underground Mining: A Review. The International Journal of Engineering and Sciences (IJES). Vol. 4, No. 12, pp. 12-20.
  51. Okeke, O.C. and Okogbue, C.O., Imasuen, O.I. and Aghamelu, O.P., 2015. Engineering Behavior of Cement-Treated Expansive Subgrade soils from Awgu, Southeastern Nigeria. Journal of civil and environmental Research. Vol. 4, No. 6, pp. 1-11.
  52. Iwuoha, P.O., Nwachukwu, J.C., Amadikwa, L.C. and Okeke, O.C., 2015. Acid Rain and Ozone Depletion: A Review of Causes, Problems and Mitigation. TLEP International Journal of Geography and Earth Sciences. Vol. 1, No. 2, pp. 1-26.
  53. Duruojinnaka, I.B., Okeke, O.C. and Amadi, C.C., 2015. Geotechnical and Geochemical Characterization of Lateritic Soil Deposit Derived from Ajali Sandstone in Ihube-Okigwe, Southeastern Nigerian, for Road Construction. International Journal of Science and Technology Research; Vol. 12, No. 1 & 2, pp. 66-78.
  54. Iwuji, C.C., Okeke, O.C., Ezenwoke, B.C., Amadi, C.C. and Nwachukwu, H.G., 2016. Earth Resources Exploitation and Sustainable Development: Geological and Engineering Perspectives. Engineering Journal. Vol. 8, pp. 21-33.
  55. Okoro, M.O. and Okeke, O.C., 2016. Application of Geographic Information System (GIS) and Global Positioning System (GPS) in Monitoring Coastal Environmental Hazards TLEP International Journal of Environmental Technology Research. Vol. 1, No. 7, pp. 1-32.
  56. Iwuoha, P.O., Adiela, P.U., Nwannah, C.C. and Okeke, O.C., 2016. Sediments Source and Transportation in River Channels: Implications for River Structures. The International Journal of Engineering and Sciences (IJES). Vol.5, No. 5, pp. 19-26.
  57. Okeke, O.C. Ken-Onukuba, D., and Enwelu, C., 2016. Renewable Energy: Concept, Technology and Uses. Journal of Advanced Research in Mechanical and Civil Engineering. Vol.2 No. 4, pp. 23-65.
  58. Nnabuihe, K.I., Okeke, O.C., Ikoro, D.O. Obioha, Y.E. and Israel, H.O., 2016. Groundwater Pollution and Remediation: Trends and Practices. International Journal of Current Research. Vol. 8, No. 6, pp. 32801-32814.
  59. Atuonye, O.R., Okeke, O.C. Duru, B.L. and Onuemelu, O.C., 2016. Laboratory Study of Stabilization of Expansive soil from Amuro-Okigwe, Southeastern Nigeria, with Cement and Cement/Rice Husk Ash mixtures. TLEP International Journal of Environmental Technology Research. Vol. 1, No. 7, pp. 66-75.
  60. Okeke, O.C, Emeruem, U.C, Atama, E.O and Ekere, J.T., 2016. Environmental Problems of Hydrocarbon Exploration and Production in Nigeria: An Overview. IIARD International Journal of Environmental Research. Vol. 2. No. 1, pp. 29-42.
  61. Okechukwu, S.I., Okeke, O.C., Akaolisa C.C.Z., Jack, L., Akinola, A.O., 2016. Reinforced Earth: Principles and Applications in Engineering Construction. International Journal of Advanced Academic Research (IJAAR-STE). Vol. 2. No. 6, pp. 14-33.
  62. Okeke, O.C., Duruojinnaka, I.B., Echetama, H.N., Paschal, C.C., Okereafor, E.J. and Akpunonu, E.O., 2016. Geotechnical and Geochemical Characterization of Lateritic Soil Deposits in Parts of Owerri, Southeastern Nigeria, for Road Construction. International Journal of Advanced Academic Research (IJAAR-STE). Vol. 2. No. 7, pp. 5-19.
  63. Iwuoha, P.O., Adiela, P.U., Iwuji, C.C., and Okeke, O.C., 2016. Quality Assessment of Crushed – Rock Aggregates from Lokpa-Ukwu/Umuchieze in Okigwe Area, Southeastern Nigeria, for Engineering Construction. International Journal of Advanced Academic Research (IJAAR). Vol. 2. No. 7, pp. 28-36.
  64. Okoro, L.C., Okeke, O.C., Okechukwu, S.I., Iwueke, E.L. and Egbula, M., 2016. Nuclear Energy: A Review of its Technology, Uses and Environmental Problems. IIARD International Journal of Geography and Environmental Management. Vol. 2, No. 2, pp. 1-15.
  65. Jack, C., Okeke, O.C., Okechukwu, S.I. and Akinola, A.O., 2016. Project Management: A Systems Approach to Planning, Implementation, Monitoring and Evaluation. International Journal of Advanced Academic Research. Vol 2, No. 11, pp, 65-79.
  66. Nwankwor, G.I., Ahiarakwem, A., Okeke, O.C. and Dikeogu, T.C., 2016. Using Hydrologic Characteristics of Aquifers in Evaluating the Groundwater Resources of Port Harcourt and its Environs, S.E. Nigeria. International Journal of Advanced Academic Research, Vol. 2, No. 12, pp. 51-59.
  67. Okeke, O.C., Dioha, E.C., Umeorizu, I.B., Mmerole, M.C., Nwakwasi, N.L. and Ekere, J.T., 2016. Physico-chemical and Bacteriological Characteristics and Quality Assessment of Groundwater from Shallow Aquifer in Abakaliki Town, Southeastern Nigeria. International Journal of Advanced Academic Research. Vol. 2, No. 12, pp. 60-74.
  68. Ubechu, B.O. and Okeke, O.C., 2017. Landslide: Causes, Effects and Mitigation. International Journal of Current Multidisciplinary Studies. Vol. 3, No. 3, pp. 647-663.
  69. Dioha, E.C., Okeke, O.C., Akaolisa, C.C.Z., Opara, A.I., Shiru, M.S and Eigbike, O.C., 2017. Correlation of 1-D Geoelectrical Data to Delineate Groundwater Potential of Uli and Environs, Southeastern Nigeria. International Journal of Advanced Academic Research. Vol. 3, No. 3, pp. 1-13.
  70. Okeke, O.C. and Omoko, E.N., 2017. A Status Review of the Hydrologic Characterization of the Basement Complex Aquifers in Taraba State, N.E. Nigeria. IJRDO Journal of Applied Science. Vol. 3, No. 5, pp.1-26.
  71. Onyekuru, S.O., Nwankwor, G.I., Okeke, O.C., Okoye, C. and Opara, K.D., 2017. An Assessment of the Pollution Potential of the Hand-Pump Wells near Septic Tank Units in the Hostel Areas of Federal University of Technology, Owerri, Nigeria. FUTO Journal Series. Vol. 3, Issue 1, pp. 138-160.
  72. Amadi, C.C., Okeke, O.C. and Amadi, C., 2017. Hazardous Waste Management: A Review of Principles and Methods. International Journal of Advanced Academic Research (IJAAR). Vol. 3, issue 8, pp. 1-20.
  73. Anyanwu, G.O. and Okeke, O.C., 2017. A Review of the Principles, Components and Applications of Management Information Systems (MIS). IIARD International Journal of Economics and Business Management. 3, N.10, pp.1-8.
  74. Ehujuo, N.N., Okeke, O.C. and Akaolisa, C.C.Z., 2017.  Geotechnical Properties of Lateritic Soils, Derived from Various Geologic Formations in   Okigwe  Area, Southeastern Nigeria. FUTO Journal Series, Vol.3, Issue 2, pp.178-189.
  75. Dikeogu, T.C., Okeke, O.C., Ogbekhilu, L.O. and Ogbenna, P.C., 2018. Major Ion Chemistry and Hydrochemical Processes of Ngeneagu Spring Water at Akpugoeze Oji River Area, Southeastern Nigeria. International Journal of Advanced Academic Research (IJAAR)  1, Issue 2, pp.41-53, pp.178-188.
  76. Ahiakwo, N.I., Egwuonwu, A.C. and Okeke, O.C., 2018. A Review of the Geology and Mineral Resources of South Africa. International Journal of Advanced Academic Research (IJAAR), Vol. 4, Issue 5, pp. 90-121.
  77. 74. Nwanya, A.C. and Okeke, O.C., 2018. Geotechnical Evaluation of Old Owerri – Aba Road Failure Southeastern Nigeria, Using Sub-base Quality Evaluation. International Journal of Advanced Academic Research (IJAAR), Vol. 4, No. 8, pp. 81 – 92.
  78. Oyedele, E.O., Okeke, O.C. and Dike E.C., 2018., Evaluation of Swelling and Slaking Characteristics of Shales from Okigwe Area, Southeastern Nigeria. Journal of Scientific ad Engineering Research, Vol. 5, No. 10, pp. 222 – 230.
  79. Kelechi, U.P. and Okeke O.C., 2018. Geotextiles and Geomembranes: Properties, Production and Engineering Applications. International Journal of Advanced Academic Research (IJAAR) Vol. 4. Issue 11, pp. 18 – 32.
  80. Dikeogu, T.C. Okeke, O.C. Amadi C.C. and Udeogu, C.J., 2018. Textural and Geochemical Characterization of Sandstone Sediments Associated with Nsukka Formation in Okigwe Area, Southeastern Nigeria. International Journal of Research Publications, Vol. 18, Issue 1, pp. 1-23.
  81. Nwanya, A.C. and Okeke, O.C., 2018. Using Dynamic Cone Ronetrometer Tester to Determine CBR and Bearing Pressures of Subsurface Soils in Parts of Owerri, Southeastern Nigeria. European Journal of Engineering Research and Science (EJERS), Vol. 3, No. 12, pp. 1-7.
  82. Ireaja, N.A., Okeke, O.C. and Opara, A.I., 2018. Sanitary Landfills: Geological and Environmental Factors that Influence Their Siting, Operation and Management. IIARD International Journal of Geography and Environmental Management. Vol. 4, No. 5, pp. 1-9.
  83. Omoko, E.N., Okeke, O.C. and Opara, K.D., 2018. A Review of the Mechanism and Engineering/Environmental Problems of Subsidence Due to Groundwater Extraction (withdrawal). IIARD International Journal of Geography and Environmental Management, Vol. 4, No. 4, pp. 1-11.
  84. Iwueke, L.E., Anyanwu, G.O., Fagorite, V.I., Okeke, O.C. and Ehujuo, N.N., 2019. Entrepreneurship: Characteristics, Practices and Impacts on the Nigerian Economy in Relation to Geosciences. IIARD International Journal of Economics and Business Management. Vol. 5, No. 1, pp. 48-64.
  85. Fagorite, V.I., Odundun, O.A., Iwueke, L.E., Nwaigbo, U.N. and Okeke, O.C., 2019. Wetlands: A Review of their Classifications, Significance and Management for Sustainable Development. International Journal of Advanced Academic Research (IJAAR). Vol. 5, No. 3, pp. 24-38.
  86. Nwanya, A.C. and Okeke, O.C., 2019. Subgrade Quality Evaluation of the Proposed Mbaise Ring Road Project, Intersecting Owerri – Umuahia Federal Highway, Southeastern Nigeria. Journal of Scientific and Engineering Research. Vol. 6, No. 2, pp. 239-248.
  87. Okoro, L.O., Okeke, O.C. and Opara, A.I., 2019. Evaluation and Treatment of Swelling Potentials of Expansive Soils from Ohafia and Environs, Southeastern Nigeria. Academic Journal of Current Research. Voi. 6 No.4. pp. 1-20              
  88. Fagorite, V.I., Ahiarakwem, C.A. and Okeke, O.C., 2019. Physico-Chemical Characteristics of Otamiri River and its sediments in parts of Owerri, Nigeria Elixer International Journal of Geology Vol.131, pp. 53223-53229.
  89. Chinemelu, E.S. and Okeke, O.C., 2019. Evaluation of Heavy Metals Pollution in Soils of Warri and Environs, Southeastern Nigeria, Using Contamination Indexes International Journal of Scientific and Engineering Research. Vol.10, Issue 6, pp.1265-1273
  90. Ajah, N.J., Akaolisa, C.C.Z. and Okeke, O.C., 2019. Geophysical and Geotechnical Investigation of a Failed section of Orsu-Orlu Road, Southeastern Nigeria. International Journal of Scientific and Engineering Research, Vol.10, Issue 6, pp 461-470.
  91. Ajah, N.J., Akaolisa, C.C.Z., Okeke, O.C. and Kalu, Q.A., 2019. Evaluation of Groundwater Potential of Owerri West and Environs, Southeastern Nigeria, Using Resistivity Method. International Journal of Engineering Science Inventions, (IJESI). Vol. 8, Issue 6, pp. 31-43.
  92. Ogbuchukwu, P.O, Okeke, O.C., Ahiarakwem, C.A. and Ozotta, O.O., 2019. Geotechnical Properties of Expansive Soils in Awka and Environs, Southeastern Nigeria, in relation to Engineering Problems. International Journal of Applied Science and Research. Vol.2, Issue 4, pp. 79-93.
  93. Abiahu, C.M.G., Fagorite, V.I. Oli, I.C. and Okeke, O.C., 2019. Mine Waste: Sources, Problems and Mitigation. EPH – International Journal of Applied Science, Vol. 5, Issue 7, pp. 1-12.
  94. Chinemelu, E.S. Nwankwor, G.I., Okeke, O.C. and Onyekuru, S.O., 2019. Spatial Distribution and Seasonal Variations of Heavy Metals in Soils of Warri and Environs, Southeastern Nigeria Elixer International Journal of Earth Science, Vol. 132, pp. 53418 – 53426.
  95. Adeyi, C.O., Mbagwu, E.C., Ndupu, C.N. and Okeke, O.C., 2019. Production and Uses of Crushed-Rock Aggregates: An overview. Accepted for Publication in International Journal of Advanced Academic Research, (IJAAR-STE).
  96. Onyeocha, N.C., Okeke, O.C. and Adeyi, G.O., 2019. Isotope Geochemistry and its Applications in Hydrological Sciences: A Review. International Journal of Advanced Academic Research (IJAAR) vol. 5, Issue 10, pp. 35-53.
  97. Obua, U.H., Okeke, O.C., Onyekuru, S.O., Ibeneme, S.I. and Obua, P.C., 2019. Geoenvironmental Implications of Heavy Metal Distribution in parts of Lagos Lagoon, Southern Nigeria. IOSR Journal of Applied Geology and Geophysics, Vol. 7, Issue 5, pp. 26-34.
  98. Obialor, C.A., Okeke, O.C., Onunkwo, A.A., Fagorite, V.I. and Ehujuo, N.N., 2019. International Journal of Advanced Academic Research (IJAAR) Vol. 5, Issue 10, pp. 92-109.
  99. Oli, I.C., Okeke, O.C., Abiahu, C.M.G., Anifowose, F.A. and Fagorite, V.I., 2019. A Review of the Geology and Mineral Resources of Dahomey Basin, Southwestern Nigeria. International Journal of Environmental Sciences and Natural Resources, Vol. 21, Issue 1, pp. 1-5.
  100. Ayajuru, N.C., Okeke, O.C., Ikoro, D.O. and Dikeogu, T.C., 2019. Geochemical, Mineralogical and Industrial Potential of Shales in Okigwe Area, Southeastern Nigeria. International Journal of Advanced Academic Research (IJAAR-STE). Vol. 5, Issue 10, pp.34-35
  101. Amadi, C.C., Ezetoha, N.O., Okeke, O.C, Nwachukwu, H.G.O. and Ibezim B., 2020. Effects of Cement stabilization on Geotechnical Properties of Lateritic Soil of Ihube-Okigwe, Southeastern Nigeria. Journal of Scientific and Engineering Research (JSER). Vol. 7. No. 1 pp. 114-124.
  102. Oyedele, E.O., Okeke, O.C. and Israel, H.O., 2020. Assessment and Control of Dust and Noise Pollution in Mines are Quarries: A Review. World Journal of Engineering Research and Technology (WJERT)., Vol. 6, Issue 1, pp. 27 – 46.
  103. Obioha, Y.E., Okeke, O.C. and Israel, H.O., 2020. Environment Aspects of Solid Minerals Development in Nigeria. An Overview. International Journal of Advanced Academic Research (IJAAR-STE), Vol. 6, Issue 1, pp. 82-94.
  104. Okeke O.C., Iwuoha, P.O. Eberendu, C.J. Omoko, E.N., Amadi, C.C. and Nwachukwu, H.G.O., 2020. Consolidation Characteristics of Expansive Soils from Parts of Anambra Basin, Southeastern Nigeria. The International Journal of Engineering and Science (IJES) Vol. 9, Issue 4, pp. 50-57.
  105. Adeyi, G.A. Okeke, O.C., 2020. Unit Hydrograph: Concepts, Estimation Methods and Applications in Hydrological Sciences. International Journal of Engineering Science and Computing (IJESC), Vol. 10 Issue 6 pp. 21-32.
  106. Akiang, F.B., Okeke, O.C., Ezetoha, N.O and Urom O.C., 2020. A Review of the Mechanism, Effects and Control of Ground Vibrations Associated with Rock Blasting. The International Journal of Engineering and Science (IJES), Vol. 9. Issue 3, pp. 72-80.
  107. Archibong, G.A., Akudike, J.C., Sunday, E.U., Okeke, O.C and Amadi, C.C., 2020. A Review of Principles and Methods of Soil Stabilization. International Journal of Advanced Academic research (IJAAR-STE). Vol. 6, Issue 3, pp. 89-115.
  108. Akudike, J.C., Okeke, O.C. Archibong, G.A., Sunday, E.U. and Amadi, C.C., (2020). Geotechnical Modelling of Rock Structures in Engineering Rock Mechanics. International Research (IJAAR-STE) Vol. 6 Issue 4, pp. 65-82.
  109. Ajayi O., Opara, A.I., Ahiarakwem, C.A. Okeke, O.C. and Fagorite, V.I., 2020. Wethering layer characterization of Ohaji – Egbema and Environs, Southeastern Nigeria, Using Uphole, Refraction Surveys. Petroleum and Coal, Vol. 3 Vol. No.2 pp. 406 – 419   
  110. Dikeogu, D.C., Okeke, O.C. and Agbo, C.C., 2020. Salinization and Waterlogging in Agricultural Lands: Causes, Effects and Mitigation. Accepted for Publication in International Journal of Innovative Environmental Studies Research.
  111. Ken-Onukuba, D.N. and Okeke, O.C., Amadi, C.C. and Dioha, E.C., 2020.  Water Quality Assessment of Ekulu and Asata Rivers in Enugu Area, Southeastern Nigeria, Using Physico-Chemical and Bacteriological parameters. Accepted for publication in Journal of Environment and Earth Science.

 

B.   PROCEEDINGS

  1. Okeke, O.C., 1987. Role of Construction Industry in Nigerian Rural Development. Proc., National Seminar on Construction Management in Nigeria, Bayero University Kano.
  2. 25 – 35.
  3. Okeke, O.C., 1987. Problems of Rural Water Supply in Nigeria. A Case Study. Proc., 2nd National Conference of Nigeria Water and Sanitation Association, Lagos, October 1987.
  4. 21 – 27.
  5. Okeke, O.C., 1991. Problems of Engineering Education in Nigeria: A Challenged to Industries. Proc., COREN/CODET National Conference on the Future of Engineering Education in Nigeria, Lagos, June 1991. pp. 111 – 121.
  6. Okeke, O.C., and Obiora, S.O., 1992. Problems of Local Sourcing of Raw Materials for cement Industry in Nigerian. Proc., Nigerian Metallurgical Society 1992 Annual Conference, Jos, Nigeria. pp. 70 – 74.
  7. Okeke, O.C., 1992. Aspects of Transboundary Development and Conservation of the River Niger. Proc., International Symposium, Transboundary River Basin Management and Sustainable Development, 18th – 22nd May 1992, Delft University of Technology, the Netherlands. pp. 205 – 213.
  8. Okeke, O.C., Okeke, A.U.G., Mmuo, V.E. and Chime, B.C., 2013. Quality Assessment of Groundwater from Shallow Aquifer in Awka Town, Southeastern Nigeria. Proc. 8th., Annual International Conference of Chemical Society of Nigeria (C.S.N), Anambra State Chapter (ANACHEM) on 25th – 28th November 2013 at Federal Polytechnic, Oko, Anambra State. 21-25.
  9. Obioha, Y.E., Okeke, O.C., 2017. Watershed Degradation: Causes, Effects and Mitigation. Proc. 2nd International Training Workshop of the Institute of Erosion Studies (IES), FUTO. Theme: Integrated Watershed Management – A Tool for Sustainable Climate Change, Flood and       Erosion Control. 13th – 14th February 2017, Federal University of Technology, Owerri, (FUTO). pp. 43-51.
  10. Israel, H.O., Dikeogu, T. and Okeke, O.C., 2017. Watershed Management: Concept, Planning and Implementation. Proc. 2nd International Training Workshop of the Institute of Erosion Studies (IES), FUTO. Theme: Integrated Watershed Management – A Tool for Sustainable Climate Change, Flood and Erosion Control. 13th – 14th February 2017, Federal University of Technology, Owerri, (FUTO). pp. 123-128.

 

C.   BOOKS

  1. Okeke, O.C., and Ahiarakwem, C.A., 2004. Introducing Igneous Petrology. Adson Educational Publishers, Onitsha, Nigeria, 123p.
  2. Okeke, O.C., 2005. Grouting and Dewatering in Engineering Practice. Adson Educational Publisher, Onitsha Nigeria, 90p.
  3. Okeke, O.C., 2010. OPEC: A Cartel in World Oil Business. Augustus Publishers, Owerri, 21p.
  4. Okeke, O.C., 2014. Laboratory Measurement of Rock Properties Adson Educational Publishers, Onitsha, Nigeria, 52p.
  5. Okeke, O.C. and Udoka U.P (Editors) 2014. Handbook of Geologic Methods. Vol. 2 Platinum Global Ventures, Port Harcourt Nigeria 220p.
  6. Okeke, O.C. 2017. Fundamentals of Mining Engineering and Metal Production. Fab-Anieh Ltd., Awka, Nigeria. 120p.
  7. Fagorite, V.I., Odundun, O.A. and Okeke, O.C. 2019. Wetlands: Classification, Significance and Management. (LAP) Lambert Academic Publishing. Mauritius. 56p.

 

D.   CHAPTERS IN BOOKS.

  1. Okeke O.C., 2012. Sampling and Statistical Quality Control. In: Handbook of Geologic Methods. Vol. 1 (Izuoma and Nnadi, Editors). Chapter I, pp. 1-20. Ugwunna Press, Aba, Nigeria.
  2. Okeke O.C. Agumanu A.E and Chinemelu E.S., 2014. Geological Maps and Geologic Mapping /Map Interpretation. In: Geologic Methods. Vol. 2 (O.C. Okeke and U.P Udoka, Editors); Chapter 1, pp. 1-25. Platinum Global Ventures, Port-Harcourt, Nigeria.
  3. Ogoh, O.C., Okeke, O.C., Udoka, U.P., Agada, L.O. and Enwelu, C., 2014. Geophysical Instrumentation. In: Geologic Methods Vol.2 (O.C. Okeke and U.P. Udoka, Editors); Chapter 6, pp.155-168. Platinum Global Ventures, Port-Harcourt, Nigeria.
  4. Nwachukwu I.M., Okeke O.C. and Ahiarakwem, C.A., 2014. Isotope Hydrology: Principles Techniques and Applications. In: Geologic Methods, Vol. 2, (O.C. Okeke and U.P Udoka, Editors); Chapter 7, pp. 167-172. Platinum Global Ventures, Port-Harcourt, Nigeria.
  5. Nwachukwu J.C, Nwachukwu E.M., Okeke O.C., and Udoka U.P., 2014. Penetration Testing in Geotechnical Investigations: Comparison of Principles and Methods of SPT and CPT. In: Geologic Methods, Vol. 2, (O.C. Okeke and U.P Udoka, Editors); Chapter 8,
  6. 183-218. Platinum Global Ventures, Port-Harcourt, Nigeria.

 

E.   SHORT NOTES

  1. Okeke, O.C., 1988. On the Movement of Fishes Across River Structures, IHE Field Studies Special Publication No. 7, IHE, Delft, The Netherlands, 3p.
  2. Okeke, O.C., 1990. Prospects of Geostatistics in Nigeria. De Geostatistics No. 9, p.7 Quarterly Newsletter of the International Geostatistical Association.

 

F.   TECHNICAL REPORTS

  1. Amoruwa, J.E, Okeke, O.C., Umana, A.E and Ajayi, F.B., 1989. Report of Flood Disaster of 7th and 10th May 1989 at Federal Poly Idah Staff Quarters, 28p.
  2. Okeke, O.C., 1997. Geotechnical Studies Report of EER/EIR for Edjeba Sewage Treatment Plant Upgrade/Modification and EIA for Construction of an Activated Sludge at Main Office Area and Ogunu IA/RA Warri, 10p.
  3. Okeke, O.C., 1997. Geotechnical Studies Report of Environmental Impact Assessment of SPDC Gas Power Plant Project at Port Harcourt, 15p.
  4. 4. Okeke, O.C., 2009. Geotechnical Investigation Report of a Site for the Proposed Rock University at Awomamma, Oru-East L.G.A; Imo State, Nigeria, 12p.
  5. Okeke, O.C., 2009. Geotechnical Investigation Report of a Site for the Proposed INEC Building /ICT Centre at Oluhu-Umuahia, Abia State, Nigeria, 22p.
  6. Okeke, O.C,  Ahiarakwem, C.A. Akaolisa C.C.Z. Onyekuru, S.O. and  Opara, A.I., 2011 Geological /Geotechnical  Investigation of Cracks on Walls of Buildings Associated with Shooting of Seismic Profiles in Orji Area, Owerri-North L.G.A, Imo State, Nigeria.
  7. Okeke,  O.C., 2012, Geotechnical Investigation Report of Hostel Development Sites at Madonna University, Okija Anambra State, Nigeria, 14p.

 

G.   ABSTRACTS: (Papers Presented at Conferences/Seminars/Workshops)

  1. Okeke, O.C., Strategies for Development of Indigenous Building Materials Ind. In Nigeria. Paper Presented at International Conference on 3rd World Strategies for Technological Dev. Federal Unitech Yola, Nigeria. June 1989.
  2. Okeke, O., 1989. Problems of River Transportation in Nigeria. A Case Study of the River Niger. Paper Presented at the International Seminar on Maintenance of Transport Facilities in Kano, Nigeria, 11-13th December 1989. (Organized by Nigerian Institute of Transport Technology).
  3. Okeke, O.C., 1991. Water Quality Assessment and Monitoring in Idah Kogi State. Paper Presented at the National Seminar on Water Quality and Status in Nigeria, organized by FEPA, Kaduna, Nigeria. Oct. 1991.
  4. Okeke, O.C., 1993. Systematic Approach to Pollution Prevention and Control in the Petroleum Industry. Paper Presented at the NMGS 29th Annual Conference, Lagos, March 1993.
  5. Okeke, O.C., 1996. Strategies for Low-Cost Cement Production in Nigeria. Paper Presented at the 32nd Annual Conference, Benin, March 1996.
  6. Okeke, O.C. and Ofulume A.B., 1997. Role of River Basin Development Authority in Satisfying Agricultural Water Needs in Nigeria. Paper Presented at the 19th Annual Conference of Nigerian Society of Agricultural Engineers, Owerri. 2-6th September 1997.
  7. Atueyi, C.C. and Okeke, O.C., 2004. Geochemical Anomalies in Aba River Sediments Associated with Anthropogenic Activities in Aba Area, S. E. Nigeria. NAPE Mini-Conference, 7 -9th May 2004. The Federal University of Technology, Owerri, Nigeria.
  8. Okeke, O.C. and Okogbue, C.O., 2005. Geostatic/Hydrostatic Pressure Gradients and Fracturing in Rock masses: Implications for Hydrocarbon Accumulation and Exploitation. Paper Presented at UNN – PTDF Workshop on ASearching for Hydrocarbon: Role of Geoscientists@, 12 – 13th May 2005. University of Nigeria, Nsukka.
  9. Okeke, O.C. and Okogbue C.O., 2008. Distribution and Geotechnical Properties of Expansive Soils in Parts of Southeastern Nigeria. Paper Presented at NMGS 44th Annual Int. Conference, Abuja, 9th – 14th March 2008.
  10. Okeke O.C., 2008. Geotechnical Aspects of Soil Erosion Investigation, Control and Prevention. Paper Presented at Workshop on Soil Erosion Control and Prevention; organized by Institute of Erosion Studies (IES), FUTO, 30th June – 4th July 2008.
  11. Okeke O.C. and Okogbue C.O., 2009. Investigation of Use of Cement and Lime Additives in the Improvement of an Expansive Soil from Amuro Okigwe, Southeastern Nigeria. Paper Presented at the NMGS 45th Annual International Conference, Owerri (Owerri 2009) 8 – 13th March 2009.
  12. Okeke, O.C., IsraelO., Enwelu, C. and Ekere J.T., 2011. Identification and Engineering Characterization of Some Basement. Rock Samples from Oban Massif Southeastern Nigeria, Paper presented at the 47th Annual Conference of NMGS, Minna, Nigeria. 6-10th March 2011.
  13. Okeke O.C., 2013. Understanding and Finding. Solutions to Problems of Expansive Soils in Engineering Construction. Paper Presented (as Speaker) at 4th School of Science (SOSC/FUTO) Staff Seminar Series, SOSC Conference Room, FUTO, 20TH February 2013.
  14. Dioha, E.C., Chukwuka, B.I., Okeke, O.C. and Enwelu C., 2015. Hydrogeochemical Assessment of Surface water and Groundwater Resources in Okigwe and Environs, Southeastern Nigeria. Paper presented at NAH 27th Annual Conference, Owerri. 1st-3rd November 2015.
  15. Umeorizu, I.B., Dioha, E.C., Okeke, O.C., Mmerole, M.C., Ogbonna, E.C., Enwelu, C. and Ekere, J.T., 2016. Physico-chemical and Bacteriological characteristics and Quality Assessment of Groundwater from Shallow Aquifer in Abakiliki Town, southeastern Nigeria. Paper presented at the NMGS 52nd Annual International Conference, Ilorin. 13th – 18th March 2016.
  16. Ken-Onukuba, O.N., Okeke, O.C., Echetama, H.N., Enwelu, C. and Ekere, J.T., 2016. Water Quality Assessment of Ekulu and Asata Rivers in Enugu Area, Southeastern Nigeria, Using Physico-chemical and Bacteriological Parameters. Paper Presented at the 26th Colloquium of African Geology, 23-27th 2016, at International Conference Centre, University of Ibadan, Ibadan, Nigeria.
  17. Obioha, Y.E. and Okeke, O.C., 2017. Watershed Degradation: Causes, Effects and Mitigation. Paper Presented at the 2nd International Training Workshop of the Institute of Erosion Studies (IES), FUTO. Theme: Integrated Watershed Management: A Tool for Sustainable Climate Change, Flood and Erosion Control, on 13th-14th February 2017, at SOPS New Lecture Theatre, Federal University of Technology, Owerri. (FUTO), Nigeria.
  18. Israel, H.O., Dikeogu, T. and Okeke, O.C., 2017. Sustainable Watershed Management: Concept, Planning and Implementation. Paper Presented at the 2nd International Training Workshop of the Institute of Erosion Studies (IES), FUTO. Theme: Integrated Watershed Management: A Tool for Sustainable Climate Change, Flood and Erosion Control, on 13th-14th February 2017, at SOPS New Lecture Theatre, Federal University of Technology, Owerri, (FUTO) Nigeria.
  19. Obioha, Y.E., Okeke, O.C., Israel, H.O. and Sikakwe, F., 2016. Pb-Zin Mineralization in Ugwuajirija Ishiagu Area, Southeastern Nigeria: A Trace Element Evidence. Paper Presented at the 26th Colloquium of African Geology. 23rd-27th 2016, at International Conference Centre, University of Ibadan, Ibadan, Nigeria.
  20. Ehujuo, N.E., Okeke, O.C. and Akaolisa, C.C.Z., 2017. Geotechnical Properties of Lateritic Soils Derived from Various Geologic Formations in Okigwe Area, Southeastern Nigeria. Paper Presented at the 53rd NMGS Annual International Conference and Exhibition on 26th-31st March 2017, at Abuja Nigeria.
  21. Oyedele, E.O., Nnajiofor, V.I. and Okeke, O.C. 2019. Evaluation of Suitability of Natural Gravels Associated with Nsukka Formation in Owerre – Ezukala (Awka Area), Southeastern Nigeria, as Aggregates for Highway Pavement. Paper presented at the 55th NMGS Annual International Conference, Enugu (Coal City, 2019), 17th – 22nd March 2019.
  22. Ajah, J.N, Akaolisa, C.C.Z. and Okeke, O.C. 2019. Evaluation of Groundwater Potential in Owerri, Southeastern Nigeria. Paper presented at the 55th NMGS Annual International Conference, Enugu (Coal City, 2019), 17th – 22nd March 2019.
  23. Nnabuihe, I.K. and Okeke, O.C. 2019. Effects of Fly Ash and Rice-Hush Ash Admixtures on Lime Stabilization of Expansive Soils from Lokpaukwu and Awgu, Southeastern Nigeria. Paper presented at the 55th NMGS Annual International Conference, Enugu (Coal City, 2019), 17th – 22nd March 2019.

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