Dr. Onema Adojoh

Assistant Professor

Education

• PhD – Environmental Science -University of Liverpool, UK 
• P.GD / Certificate – Higher Education Teaching and Learning – Plymouth University, UK 
• MSc – Petroleum Geology – University of Benin, Nigeria 
• B. Tech – Applied Geology - Abubakar Tafawa Balewa University, Bauchi, Nigeria

Courses Taught

• Environmental Science and Regulations
• Earth System History  
• Geology of National Parks
• Water and Coastal Sciences 
• Meteorology and Climate Change 
• Geomorphology
• Physical Oceanography 
• Soil, Air, and Water Conservation 
• Soil Science Lab 
• Hydrogeology
• Petrology
• Geochemistry
• Paleontology
• Evolution of the Earth
• Earth Science
• Sedimentology and Stratigraphy

Academic Interests

• Paleoclimate, Paleobiology, Paleovegetation Dynamics, Coastal evolution (ocean-marine/lake), Hydrogeochemistry, Bioaccumulation / Ecotoxicology, Sequence Stratigraphy, Petroleum Geology, and Sedimentary System, Paleontology, and Environmental Sustainability 
• Study Geographical Focus – Great Lakes, Bolivia (S. America), Tropical Eastern Pacific Ocean (C. America), Midwestern -States (N. America), Prado Lakes (Australia), and East Equatorial Atlantic Ocean (W. Africa)

Scholarly Activity

• Adojoh, O., Marret-Davis, F., Osterloff, P., Hart, M., Ikuenobe, F., Weakley, H., & Agbogun, H. 2025. Sedimentation rates, coastal delta accretion, and stratigraphic datum of the Late Pleistocene–Mid-Holocene transition in the East Equatorial Atlantic: New concept from calcareous nannoplankton. The Holocene, 35(4), 409-419. https://doi.org/10.1177/09596836241307303 

• Moreno-Ibáñez, M., Mathieu, C., Gwenaëlle, G., Adojoh, O., Chukwuma, A., Adnan, A., Faten, A., Deniz, V., 2024. Engagement of early career researchers in collaborative assessments of IPCC reports: Achievements and insights. Frontier in Climate Science. 6, 1-25,  https://www.frontiersin.org/articles/10.3389/fclim.2024.1395040 

• Okereke, K. and Adojoh, O., 2023. Microfloral biozonation and stratigraphic correlation of Wells V, W and X in Mungo field, Niger Delta Basin. Iconic Research and Engineering Journals. 7, 2456-8880, https://doi.org/10.64388/IREV 

• Adojoh, O. C., Marret-Davies, F., Duller R., Osterloff, L. P., Oboh-Ikuenobe, F., E. and Saylor, B. Z., 2023. Stages of Palaeoenvironmental Evolution, Climate and Sea Level Change of the Niger Delta, East Equatorial Atlantic: Novelty from Elemental Tracers, Sedimentary Facies and Pollen Records. The Holocene – SAGE Publication 33, 1-10, https://doi.org/10.1177/09596836231163506
• Okereke, K. and Adojoh, O., 2023. Palynological appraisal of the Pliocene sediments: Chronological and lithofacies insights from X-Well, Offshore setting of the Niger Delta. Iconic Research and Engineering Journals. 6, 405-410, https://doi.org/10.64388/IREV6I8-1712046 

• Onema, P., Ikem, A., Knot, K., Adojoh, O., 2022. Impact of elemental chemistry on water quality in Missouri Lakes. Journal of Food Nutrition and Health 5, 1-11, DOI: 35841 

• Botero, S., Oboh-Ikuenobe, F. E., Grabel, L. and Adojoh, O. C., 2021. Evidence of vegetation, hypersaliny and climate change in Cenozoic Lake sediments of Western Australia. Palynology, 45, 201-214, https://doi.org/10.1080/01916122.2020.1789774 

• Adojoh, O., Marret-Davies, F., Duller, R., Osterloff, P., Oboh-Ikuenobe, F., Hart., M. and Smart, C., 2020. The biostratigraphy of the offshore Niger Delta during the Late Quaternary: complexities and progress of dating techniques. Quaternary Science Advances 1 (100003), https://doi.org/10.1016/j.qsa.2020.100003 

• Adojoh, O., Marret-Davies, F., Duller, R. and Osterloff, P., Tropical palaeovegetation dynamics, environmental, and climate change impact from the low latitude Coastal Margin, Niger Delta, Gulf of Guinea during the Late Quaternary: International Year-Book Chapter 7; The African Neogene - Climate, Environments and People. Journal of Paleoecology of Africa 35, 107-144, https://doi.org/10.1201/9781315161808
• Dada, S., Adojoh, O., Rahaman, A. and Garba, I., 2015. Lead reservoirs and metallization in Nigeria: Example of contrasting geological terrains. Journal of Geosciences and Geomatics 3, 28-36, DOI: 10.12691/jgg-3-2-1

Other Professional Experiences

Professional affiliations and membership: 

• The Geological Society of America (GSA) (2015-current)
  • Member-at-Large, Research Grant on Energy Resources
• American Geophysical Union (AGU) (2021-current)
• Reviewer / Student Mentor for AGU College of Fellows
• Missouri Academy of Sciences (MAS)
• Vice president and session-chair of Geosciences 2025-present
• Association of Missouri Geologist (AM)
• R., Grawe award scholarship committee 2025-present
• National Association of Black Geologists (NABG)
• American Association of Stratigraphic Palynologist –The Palynological Society (AASP – TPS)
• The Micropaleontological Society (TMS)
• International Association of Sedimentologists (IAS)
• Council of Mining Engineers and Geoscientists (COMEG), Nigeria (Chartered professional)