UNIOSUN Staff Profile
Discover the People Behind Our Academic Excellence.
Academic Staff
FAJEMILA Olugbenga Temitope
Associate Professor
COLLEGE OF SCI. ENG. & TECH.
GEOLOGICAL & CHEM. SCI.
Brief Educational Profile
Dr. Fajemila holds a B.Sc. in Geology and an M.Sc. in Applied Geology (Sedimentology and Petroleum Geology) from Obafemi Awolowo University, Ile-Ife, as well as a Ph.D. in Geoscience from the University of Bonn, Germany (2017). He has published numerous articles in reputable local and international journals. He is a recipient of the prestigious Swiss Government Excellence Scholarship for a postdoctoral fellowship at the University of Fribourg in September 2020. Recently, he was awarded the Georg Forster Research Fellowship for Experienced Researchers by the Alexander von Humboldt Foundation. He has served on numerous examination committees for master's and Ph.D. examinations.
Academic Profiles
ORCID
Google Scholar
https://scholar.google.com/citations?user=n4vEs48AAAAJ&hl=en
ResearchGate
OpenAlex
Curriculum Vitae
Current/Recent Research
-Benthic Foraminifera ecology in the Gulf of Guinea, West Africa.
-Cretaceous / Paleogene exchange in the foremost basins in Nigeria.
Selected Recent Publications
- 1. Ojenabor, F., Fadiya, S.L., Olayiwola, M.A., Fajemila, T.O. Adepehin, E.J., 2026. Palaeoenvironment and Hydrocarbon Stratigraphy Implications of High-Resolution Palaeocene - Early Miocene Sporomorphs Biozonation in the Onshore Western Niger Delta. Geosystems and Geoenvironment 5, 100527. https://doi.org/10.1016/j.geogeo.2026.100527
- 2. Fajemila, O.T., Kolawole, T.O., Spangenberg, J.E., Olayiwola, M.A., Akinterinwa, K.O., Adebiyi, K.T., Salako, R.A., 2026. Stable isotopes and palynological analyses of the Campanian-Maastrichtian Mamu shales, western flank of the Anambra Basin, Nigeria: A paleoenvironmental investigation. Geosystems and Geoenvironment 5 (2), 100492. https://doi.org/10.1016/j.geogeo.2026.100492
- 3. Solanke, A., Martinez-Colon, M., Fajemila, O.T., Jagoe, C., 2026. Potential effects of toxic elements on benthic foraminifera in Apalachicola Bay, Florida. Regional Studies in Marine Sciences 94, 104762 https://doi.org/10.1016/j.rsma.2026.104762
- 4. Phillips, O.A., Fajemila, O.T., Alao-Daniels, A.B., 2026. Geochemical fingerprints as indicators of provenance, weathering and tectonic setting in Lekki Lagoon Sediments, Southwest Nigeria. Arabian Journal of Geosciences 19:6. https://doi.org/10.1007/s12517-025-12378-z
- 5. Fajemila, O.T., Martínez-Colón, M., Olajide-Kayode, J.O., Olayiwola, M.A., 2025. The FORAM Index (FI) as an indicator of environmental perturbations in coral ecosystems of Hong Kong, China. Revue de Micropaléontologie 89, 100860. https://doi.org/10.1016/j.revmic.2025.100860
- 6. Shirey, B.G., Martínez-Colón, M., Jagoe, C., Fajemila, O.T., Dieppa, A., Mwashote, B., 2025. Estuarine foraminifera as an effective measure of benthic ecological quality status in Jobos Bay, Puerto Rico. Micropaleontology 71(2): 167–181. https://doi.org/10.47894/mpal.71.2.03 ; https://www.micropress.org/micropaleontology.html
- 7. Martínez-Colón, M., Ross, B., Martins, M.V.A., Owens, J. D., Fajemila, O. T., Bouchet, V., 2025. Pitfalls on Bioavailability Assessment of Sequentially Extracted Potentially Toxic Elements in Environmental Micropaleontology: Tessier Et Al (1979) Vs. Community Bureau of Reference (BCR). Journal of Foraminiferal Research 55(3), p. 276–295. https://pubs.geoscienceworld.org/cushmanfoundation/jfr/article/55/3/276/659725/A-COMPARISON-OF-SEQUENTIAL-EXTRACTION-METHODS-USED
- 8. Olayiwola, M.A., Fajemila, T.O., 2025. Biostratigraphy, stratigraphy and paleoenvironments of middle Eocene – middle Oligocene sediments from Onshore Niger Delta, Nigeria: Insights from foraminifera and palynomorphs. Geosystems and Geoenvironment 4, 100391. https://doi.org/10.1016/j.geogeo.2025.100391
- 9. Olayiwola, M.A., Fajemila, T.O., Ojenabor, F. 2025. Estimation of shale volume (Vsh) of lithofacies of Agbada Formation, offshore western Niger Delta, Nigeria: Gamma-Ray (GR) logs perspective. Arabian Journal of Geosciences 18:59. https://doi.org/10.1007/s12517-024-12172-3
- 10. Durugbo, U.E., Fajemila, T.O., Olayiwola, M.A. 2024. Organic walled dinoflagellate cyst biostratigraphy of the Middle-Late Miocene western Niger Delta, Nigeria. Revue de Micropaléontologie 84, 100787. https://doi.org/10.1016/j.revmic.2024.100787
- 11. Fajemila, O.T., Langer, M.R., Spezzaferri, S., 2024. Recent shallow-water benthic foraminifera from a tropical estuary, SW Nigeria. Journal of African Earth Sciences 214, 105257. https://doi.org/10.1016/j.jafrearsci.2024.105257
- 12. Olajide-Kayode, J.O., Kolawole, T.O., Fajemila, O.T., Adeyemi, M.O., Ajayi, O.E., 2024. Evaluating the quality of sediments in streams draining contrasting land-use areas in Osogbo Metropolis, Southwestern Nigeria. Environmental Geochemistry and Health 46: 301. https://doi.org/10.1007/s10653-024-02080-6
- 13. Phillips, O.A., Fajemila, O.T., 2024. Contamination levels of potentially toxic elements within the Ogun River estuary sediments, southwest Nigeria: Ecological and human health risk assessments. Journal of Trace Elements and Minerals 8, 100120. https://doi.org/10.1016/j.jtemin.2024.100120
- 14. Adebiyi, K.T., Fajemila, O.T., Olayiwola, M.A., 2023. Biostratigraphical Investigation of middle-early Miocene sediments from a section of AK-1 well, onshore Niger Delta: Insights from Calcareous Nannofossils. Fountain Journal of Natural and Applied Sciences 12(1): 05-13. https://doi.org/10.53704/fujnas.v12i1.439
- 15. Fajemila, O.T., Olayiwola, M.A., Aturamu, A.O., Spezzaferri, S., 2023. Benthic foraminifera from the Campanian-Maastrichtian shales of the Mamu Formation exposed at the Benin (western) Flank of the Anambra Basin, southern Nigeria: A paleoenvironmental analysis. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen 307(3), 1–14. https://doi.org/10.1127/njgpa/2023/1123
- 16. Olayiwola, M.A., Durugbo, U.E., Fajemila, T.O., 2022: Graphic correlation and paleoenvironmental investigation of the upper Eocene-lower Oligocene sediments in the Dahomey Basin, southwestern Nigeria: insights from palynomorphs. Acta Paleobotanica 62(2), 162–181. https://doi.org/10.35535/acpa-2022-0011
- 17. Fajemila, O.T., Martínez-Colón, M., Council, I., Spezzaferri, S., 2022. Spatial distribution of pollution levels and assessment of benthic foraminifera in Apapa-Badagry Creek, Nigeria. Marine Pollution Bulletin 185, 114359. https://doi.org/10.1016/j.marpolbul.2022.114359
- 18. Olayiwola M.A., Durugbo E.U., Fajemila O.T., 2022. Palynology: A useful tool for biostratigraphic and palaeoenvironmental reconstruction of the late Miocene subsurface sediments from offshore western Niger Delta. Nigeria Journal of Mining and Geology 58(2), 11 – 28. https://www.ajol.info/index.php/jmg/about
- 19. Fajemila O.T., Olayiwola, M.A., Durugbo, E.U., 2022. Palynostratigraphy and paleoenvironmental analysis of late Miocene-early Pliocene sediments from ML-1 well, Offshore Eastern Niger Delta, Nigeria. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen, 304 (2), 205-220. http://doi.org/10.1127/njgpa/2022/1065
- 20. Fajemila, O.T., Olayiwola, M.A. and Obidiya, S.A. 2022. Benthic Foraminifera from Miocene Sediments of the Agbada Formation, Niger Delta: Biozonation and Paleoenvironmental Implications. Science Focus 27, 12-22. http://doi.org/10.36293/sfj.2022.0081
- 21. Olayiwola M.A., Aderogba, A.A., Durugbo, U.E., Fajemila, T.O. and Aderanti, A.A. 2022. Palaeoenvironmental reconstruction and hydrocarbon potential of some mid-upper Cretaceous and late Eocene-early Oligocene sediments from two southern Nigerian inland basins: Insights from palynology and palynofacies. Journal of Mining and Geology, 58(1): 173 – 188. https://www.ajol.info/index.php/jmg/about
- 22. Fajemila, O.T., Martínez-Colón, M., Spangenberg, J.E., Spezzaferri, S., 2022. Organic Matter source and distribution in the estuarine Apapa-Badagry Creek, Nigeria: Implications for living (stained) benthic foraminiferal assemblage. Marine Micropaleontology 172, 102112. https://doi.org/10.1016/j.marmicro.2022.102112
- 23. Olayiwola, M.A., Durugbo, E.U., Fajemila, O.T., Oyebanjo, O.M., 2021. Sequence stratigraphy of subsurface upper Eocene-lower Oligocene deposits, Dahomey Basin, Southwestern Nigeria: Palynological and Palynofacies Approach. Arabian Journal of Geosciences 14, 1420. https://doi.org/10.1007/s12517-021-07693-0
Research Interests
Foraminifera, Ecology, Environmental Micropaleontology, Biostratigraphy, Paleoenvironment, Organic Matter Geochemistry, Stable Isotopes, Potentially Toxic Elements (PTEs)