| 1 | Okechukwu EO, Ikhioya IL, Ekpunobi AJ, Azubogu ACO, Onuigbo EN, Anusiuba O, Nwodo A, Mimi JD, Muomeliri CB, Okafor CE, Ozobialu L, Onu C, Ekpunobi UE, Okoli NL, Ogbodo EU,. (2026, January), "Investigating the influence of doping concentrations on the properties of titanium - doped magnesium sulfide (Ti:MgS) thin films, for spintronic applications", Indian Journal of Physics, Vol. 100, pp 1785- 1796 |
| 2 | Ogbodo MC, Onuigbo EN, Ahaneku CV, Madu, FM. (2025, April), "Unraveling the sequence stratigraphic architecture of Ogbo Field, Niger Delta Basin, Nigeria using well logs and biostratigraphic proxies", International Journal of Advanced Multidisciplinary Research and Studies, Vol. 5, (Issue 3), pp 1346- 2354 |
| 3 | Muogbo CD, Aririahu DC, Onuigbo EN, Imoh D, Elomba UF. (2025, August), "Pebble morphogenesis and paleocurrent pattern as signatures of tide-dominated marginal marine environment: A case from the Nanka Formation, Niger Delta Basin, Nigeria", International Journal of Research and Innovation in Applied Science, Vol. 10, (Issue 8), pp 1488- 1509 |
| 4 | Okam EN, Onuigbo EN, Nwojiji CN, Elomba UF. (2025, December), "Sedimentary facies, depositional settings and reservoir potential of the Owelli Sandstone in Anambra Basin, Southeastern Nigeria", Asian Journal of Geological Research, Vol. 8, (Issue 3), pp 628- 656 |
| 5 | Okechukwu EO, Ekpunobi AJ, Azubogu ACO, Onuigbo EN, Anusiobi O, Nwodo A, Mimi DJ, Muomeliri CB, Okafor CE, Ozobialu L, Onu CP, Ekpunobi UE, Okoli NL, Ogbodo EU. (2025, June), "Investigating the doping effects on the optical, electrical, structural, morphological, elemental composition, and magnetic properties of electrodeposited Ti- doped CuS thin films", Materials Nanoscience, Vol. 12, (Issue 2), pp 1191 |
| 6 | Onu CP, Ekpunobi AJ, Ozobialu AL, Okafor CE, Mimi DJ, Muomeliri CB, Odikpo OE, Azubogu AC; Onuigbo EN, Anusiuba OI, Nwodo A, Okoli NL, Ekpunobi UE. (2025, May), "Morphological, elemental and optical properties of spalerite nanoparticle (ZnS) doped with Neem leaf Extract", Asian Journal of Advanced Research and Reports, Vol. 19, (Issue 5), pp 439- 455 |
| 7 | Ekpunobi AJ, Onu CP, Azubogu AC, Onuigbo EN, Jero DM, Anusiuba OI, Nwodo A, Ogbodo EU, Odikpo OE, Okafor CE, Ozobialu AL, Okoli NL, Onu CE, Ekpunobi UE, Muomeliri CB. (2025, June), "Production and characterization of zinc iron sulphide (ZnFeS) nanoparticles sourced locally from Nigeria prepared by high energy ball- milling", International Multidisciplinary Research Journal Review, Vol. 2, (Issue 6), pp 1- 15 |
| 8 | Elomba UF, Onuigbo EN, Madu FM, Aseh P, Ahaneku CV, Osuagwu JO, Nwofia UE. (2025, August), "Geochemical investigation of the Nanka Formation Southeastern Nigeria: Proxy for sediment provenance and tectonic setting", International Journal of Research and Scientific Innovation, Vol. 12, (Issue 8), pp 2281- 2298 |
| 9 | Okafor CE, Ekpunobi AJ, Okoli DN, Mimi JD, Odikpo OE, Muomeliri CB, Anusiuba O, Nwodo A, Azubogu C, Ozobialu LA, Onuigbo EN, Onu CP, Okoli NL, Nwodo NA. (2025, May), "Assessing the optical features of electrodeposited Ti- doped ZnSe thin films for solar cell window layer applications", International Journal of Advanced Multidisciplinary Research and Studies, Vol. 5, (Issue 3), pp 715- 720 |
| 10 | Elomba UF, Onuigbo EN, Madu FM, Anozie HC. (2024, August), "Petrography and heavy mineral studies of Eocene sediments in Awka and environs Southeastern Nigeria", Asian Journal of Geological Research, Vol. 7, (Issue 3), pp 245- 256 |
| 11 | Muomeliri CB, Ekpunobi AJ, Okoli DN, Okafor C, Mimi J, Odikpo OE, Anusiobi O, Nwaodo A, Azubogu A, Ozobialu L, Onuigbo E, Onu C, Chibuogwu I, Nwori AN, Okoli NL. (2024, August), "Influence of Ti doping on the optical and structural properties of ZnTiO thin films deposited by electrodeposition technique", Journal of Materials Science Research and Reviews, Vol. 7, (Issue 4), pp 493- 506 |
| 12 | Onuigbo, E.N., Okoro, A.U., Ezealajii, I.P., Ozulu, G.U. and Okeke, H.C.. (2023, April), "Sub- environments of deposition and facies characteristics of the Nyaba River in Enugu Metropolis, southeastern Nigeria.", Current Journal of Applied Science and Technology, Vol. 42, (Issue 8), pp 34- 44 |
| 13 | 2. Ibekwe, K.N., Arukwe, C., Ahaneku, C., Onuigbo, E. Omoareghan, J.O., Ademola, L and Oguadinma O.V.. (2023, March), "Enhanced hydrocarbon recovery using the application of seismic attributes in fault detection and direct hydrocarbon indicator in Tomboy Field, western- offshore Niger Delta basin", Journal of Energy Research and Reviews |
| 14 | Izuazu- Gerry, U.M. and Onuigbo, E.N.. (2022, April), "Lithofacies evaluation of the Mamu Formation, southeastern Nigeria: Implications for depositional setting and Maastrichtian sea regression", Global Journal Geological Sciences, Vol. 20, pp 41- 50 |
| 15 | Onuigbo, E.N. Okoro, A.U., Ezealaji, I.P and Ozulu, G.U.. (2022, May), "Industrial and technological waste mismanagement and its implications for the present and future geology of the Earth: A field study of the Ekulu River in Enugu Metropolis, southeastern Nigeria", Journal of Geography, Environment and Earth Sciences International, Vol. 26, (Issue 5), pp 17- 27 |
| 16 | 5. Ajaegwu, N.E., Ezike, O.R. and Onuigbo, E.N.. (2021, April), "Sedimentology, Depositional Architecture and Paleography of Turonian to Early Maastrichtian Successions, Western Flank of Abakaliki Anticlinorum", Journal of Geology and Geophysics, Vol. 10, pp 1 - 15 |
| 17 | Ozulu, G.U., Okoro, A.U. and Onuigbo, E.N.. (2021, May), "Sedimentary Facies and Environments of the Sedimentary Fill of Southern Bida Basin, Nigeria", Global Journal of Geological Sciences, Vol. 19, pp 53- 74 |
| 18 | Oguadinma V, Okoro A, Reynaud J, Onuigbo E, Ahaneku V, Aniwetalu E l, Akpunonu E. (2021, November), "The art of integration: Basic tool in effective hydrocarbon field appraisal", Mediterranean Geosciences Union (MedGU |
| 19 | Onuigbo, E.N., Okoro, A.U., Okolo, C.M. and Okeke, H.C.. (2020, May), "Lithofacies, Palynostratigraphy and Paleoecology of Outcropping Rock Succession at Ogbunike, Niger Delta Basin, Nigeria", Journal of Geography, Environment and Earth Sciences international, 24(3): 80- 99, Vol. 24, (Issue 3), pp 80- 99 |
| 20 | Onuigbo, E.N., Okoro, A.U., Okolo, C. M. and Chibuzor, S. N.. (2020, February), "Elemental Composition of the Phosphorites of the Ameki Formation around Bende- Ameke Area, Southeastern Nigeria: Potential for Environmental Pollution", International Research Journal of Applied Sciences, Vol. 2, (Issue 1), pp 28- 33 |
| 21 | Onuigbo, E.N., Okoro, A. U., and Chibuzor, S.N.. (2020, May), "Geochemistry and depositional environment of phosphorites from the Ameki Formation, Niger Delta Basin, Nigeria.", Global Journal of Geological Sciences, 18:1- 14, Vol. 18, (Issue 1), pp 1- 14 |
| 22 | Amaechi, P. O., Onuigbo, E. N., Obiadi, I.I. and Kalu, C. G.. (2019, January), "Petrophysical Properties and 3D Geologic Modelling of the Reservoir Sands of JIO Field, Niger Delta, Nigeria", Journal of Basic Physical Research, Vol. 9, (Issue 1), pp 1- 12 |
| 23 | Okeke, H.C., Okoro, A.U., Ezediegwu, P.C., Chinwuko, A.I., Onuigbo, E.N. and Omeokachie, A.I.. (2018, July), "Evaluation of Hydrocarbon prospect of Tomboy C- Field offshore Niger Delta.", Journal of Basic Physical Research, Vol. 8, (Issue 2), pp 65- 78 |
| 24 | Onuigbo, E.N., Okoro, A.U., Okeke, H.C., and Omeokachie, A.I.. (2018, July), "Vortex Wave Ripples from Afikpo Sandstone, Afikpo Sub- Basin, Southeastern Nigeria: Signature to paleowave history and ancient sea condition", Journal of Basic Physical Research, Vol. 8, (Issue 2), pp 79- 90 |
| 25 | Okolo, C.M., Akudinobi, B.E.B., Obiadi, I.I., Onuigbo, E.N. and Obasi, P.N.. (2018, October), "Hydrochemical evaluation of lower Niger drainage area, southeastern Nigeria.", Applied Water Science, Vol. 8, pp 1- 9 |
| 26 | Okoyeh, E.I., Okolo, C.M., Obi, A., Onuigbo, E.N., and Chibuzor, S.N.. (2018, January), "Evaluation of water resources potential of part of Benin, Niger Delta, Nigeria", Journal of Basic Physical Research, Vol. 8, (Issue 1), pp 37- 48 |
| 27 | Onuigbo, E.N. Okoro, A.U., and Nwokeabia, C.N.. (2017, July), "Clay minerals as indicators of phosphatogenesis: A case study of Sokoto Basin, Northwestern Nigeria", Journal of Natural Science Research, Vol. 7, (Issue 14), pp 21- 27 |
| 28 | Okafor, P.N., Onuigbo, E.N., Okoro, A.U., and Chukwura, E.. (2017, March), "Microfossil assemblages of the subsurface parts of the Enugu Formation: Proxies to the depositional environment and age of the formation", Journal of Environment and Earth Sciences, 7(7): 53- 63, Vol. 7, (Issue 7), pp 53- 63 |
| 29 | Chukwura, E., Onuigbo, E.N., Okoro, A.U., Okafor, P.N., and Okolo, C.M.. (2017, July), "Palynological evaluation of the Imo Formation at Isiagu, Niger Delta Basin, Nigeria: Age and Paleoenvironmental significance", Journal of Basic Physical Research, Vol. 7, (Issue 2), pp 6- 16 |
| 30 | Onuigbo, E.N., Okoro, A.U., Obiadi, I.I., and Okoyeh, E.I.. (2016, February), "Sedimentary facies characterization and depositional settings of the Ajali Sandstone, Anambra Basin, southeastern Nigeria", Archives of Applied Science Research, 8(10): 10- 25., Vol. 8, (Issue 10), pp 10- 25 |
| 31 | Obiadi, I.I., Obiadi, C.M., Ajaegwu, N.E., Anakwuba, E.K., Onuigbo, E.N., Maduewesi, U.V., Okolo, C.M. and Ezim, O.E.. (2015, January), "Structural Evidence of Pan- African Event in the SW Basement Block of Nigeria: The Igarra Example.", Journal of Basic and Applied Research International, Vol. 3, (Issue 2), pp 66- 74 |
| 32 | Onuigbo, E.N., Okoro, A.U., Etu- Efeotor, J.O., Akpunonu, E.O. and Okeke, H.C.. (2015, January), "Paleoecology of the Enugu and Mamu Formations in the Anambra Basin, southeastern Nigeria", Advances in Applied Science, Vol. 6, (Issue 4), pp 23- 39 |
| 33 | Onuigbo, E.N. and Okoro, A.U.. (2014, June), "Ichnology of the Enugu Formation: Implications for Campanian sea movements in southeastern Nigeria", Asian Journal of Earth Science, Vol. 7, (Issue 2), pp 40- 50 |
| 34 | Okeke, H.C., Orajaka, I.P., Anthony Okoro and Onuigbo, E.N.. (2014, January), "Biomarker evaluation of the oil generative potential of organic matter, in the upper Maastrichtian strata, Anambra Basin, southeastern Nigeria", E3 Journal of Scientific Research, Vol. 2, (Issue 1), pp 16- 25 |
| 35 | Onuigbo, E.N., Etu- Efeotor, J.O., and Okoro, A.U.. (2012, January), "Palynology, paleoenvironment and sequence stratigraphy of Campanian- Maastrichtian Deposits in the Anambra Basin, southeastern Nigeria.", European Journal of Scientific Research, Vol. 7, (Issue 3), pp 333- 348 |
| 36 | Onuigbo, Evangeline N., Okoro Anthony U., and Etu- Efeotor, J.O.. (2012, February), "Lithofacies, palynology and facies association: keys to paleogeographical interpretation of the Enugu and the Mamu Formations of southeastern Nigeria", Journal of Environmental and Earth Sciences, Vol. 5, (Issue 2), pp 13- 23 |
| 37 | Okoro, A.U., Onuigbo, E.N., Akpunonu, E.O., and Obiadi, I.I.. (2012, April), "Lithofacies and pebble morphogenesis: keys to paleoenvironmental interpretation of the Nkporo Formation, Afikpo Sub- Basin, Nigeria", Journal of Environmental and Earth Sciences, Vol. 2, (Issue 6), pp 26- 38 |
| 38 | I.I Obiadi, A.G. Onwuemesi, O.L., Anike, N.E., Ajaegwu, E.K., Anakwuba, C.M., Nwosu, E.O. Akpunonu, E.N. Onuigbo and O.L., Onuba. (2012, May), "Determination Sub- surface fracture characteristics from the azimuthal square array resistivity survey at Igarra, Nigeria", Pure and Applied Geophysics, Vol. 170, pp 907- 916 |
| 39 | Onuigbo, E.N., Okoro, A.U., Obiadi, I.I., Akpunonu, E.O., Okeke, H.C. and Maduewesi V.. (2012, January), "Tide generated sedimentary structures, lithofacies and particle size distribution: proxies to depositional setting of the Ajali Sandstone, southeastern Nigeria.", Journal of Natural Science Research, Vol. 2, (Issue 6), pp 100- 112 |
| 40 | Akpunonu, E.O., Okoro, A.U., and Onuigbo, E.N.. (2012, January), "Hydrocarbon generative windows determination using geomathematical model: case study from Ogbegede field, Niger Delta, Nigeria.", Journal of Natural Sciences Research, Vol. 2, (Issue 5), pp 31- 43 |
| 41 | Okoro, A.U. Okogbue, C.A., Nwajide, C.S. and Onuigbo, E.N.. (2012, February), "Provenance and Paleogeography of the Nkporo Formation (Late Campanian- Early Maastrichtian) in the Afikpo Sub- Basin, southeastern Nigeria", European Journal of Scientific Research, Vol. 88, (Issue 3), pp 346- 364 |
| 42 | Obiadi, I.I., Nwosu, C.M., Ajaegwu, N.E., Anakwuba, K.E., Onuigbo, E.N., Akpunonu, E.O. and Ezim, O.E.. (2011, November), "Gully erosion in Anambra State, southeastern Nigeria: Issues and solution", International Journal of Environmental Sciences, Vol. 2, (Issue 2), pp 795- 804 |
| 43 | Onuigbo, E.N., Ajaegwu, N.E., Obiadi, I.I. and Okolo, C.M.. (2010, September), "Lithofacies analysis and textural characteristics of Eocene Nanka Sand, southeastern Nigeria", Natural and Applied Science Journal, Vol. 11, (Issue 1), pp 64- 74 |
| 44 | Okolo, C.M., Akudinobi, B.E.B. and Onuigbo, E.N.. (2010, September), "Groundwater quality and supply situation in Anambra State Capital Territory, southeastern Nigeria", Natural and Applied Science Journal, Vol. 11, (Issue 1), pp 49- 63 |
| 45 | Obiadi, I.I., Anakwuba, E.K., Ajaegwu, N.E., Asiegbu, E.N. and Akpunonu, E.O.. (2008, January), "Statistical approach to seismic geomorphology: A case study of the deepwater Niger Delta", Natural and Applied Science Journal, Vol. 9, (Issue 3), pp 315- 319 |
| 46 | Obiadi, I.I., Anakwuba, E.K., Asiegbu, E.N. and Akpunonu, E.O.. (2008, January), "Seismic sedimentology and lithologic prediction of some parts of the Deepwater Niger Delta", Natural and Applied Science Journal, Vol. 9, (Issue 1), pp 123- 131 |
| 47 | Ajaegwu, N.E., Onwuemesi, A.G., Asiegbu, E.N., Obiadi, I.I., Anakwuba, E.K., and Akpunonu, E.O.. (2008, January), "Palynological assemblages as proxies for Late Miocene- Early Pliocene paleoenvironmental interpretation of strata penetrated by ANE- 1 well, Niger Delta", Natural and Applied Science Journal,, Vol. 9, (Issue 1), pp 62- 70 |