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
Ph.D. Geoscience, Rheinische Friedrich-Wilhelms Universität, Bonn (University of Bonn), Germany (2017)
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)