| Heavy minerals and geochemical characteristics of sandstones as indices of provenance and source area tectonics of the Ogwashi-Asaba Formation, Niger Delta Basin OI Ejeh Open Journal of Geology 5 (08), 562, 2015 | 13 | 2015 |
| Geochemical characterization of the Paleocene Ewekoro limestone formation, SW Nigeria: implications for provenance, diagenesis and depositional environment OA Ehinola, OI Ejeh, OJ Oderinde Geomaterials 6 (3), 61-77, 2016 | 11 | 2016 |
| Geochemistry of rocks (Late Cretaceous) in the Anambra Basin, SE Nigeria: insights into provenance, tectonic setting, and other palaeo-conditions OI Ejeh Heliyon 7 (10), 2021 | 10 | 2021 |
| Sedimentary fill modeling: Relationships to sequence stratigraphy and its implications for hydrocarbon exploration in the Niger Delta, Nigeria OI Ejeh Pac. J. Sci. Technol 11, 502-509, 2010 | 9 | 2010 |
| Petrological and structural investigation of rocks around Igarra, Southwestern Nigeria OB Ogbe, SB Olobaniyi, OI Ejeh, OO Omo-Irabor, J Osokpor, A Ocheli, ... Ife Journal of Science 20 (3), 663-677, 2018 | 8 | 2018 |
| The Maastrichtian sedimentary successions of the Anambra basin recently exposed around Okpekpe and Imiegba: Part of the Mamu or Ajali Formation OI Ejeh Nigerian Journal of Science and Environment 14 (1), 38-48, 2016 | 7 | 2016 |
| Geochemical discriminant for provenance characterization and palaeogeography of shales from dahomey embayment, southwestern Nigeria OI Ejeh Journal of Geoscience and Environment Protection 4 (06), 56, 2016 | 7 | 2016 |
| Fracture systems in the Younger Granite rocks around Fobur, Northern Nigeria: Product of residual stress? OI Ejeh, CF Ugbe Global Journal of Geological Sciences 8 (1), 2010 | 7 | 2010 |
| Depositional Setting of Sandstones from the Oligocene-Miocene Ogwashi-Asaba Formation, Niger Delta Basin, Nigeria: Evidence from Grain Size Analysis and Geochemistry OI Ejeh, AI Anthony, AAI Etobro Universal Journal of Geology 3 (3), 71-82, 2015 | 6* | 2015 |
| Pattern of geochemical and sedimentological variability of the Albian to Cenomanian Upper Bima Sandstone, Benue Trough, Nigeria: Implications on tectonic provenance and source … OI Ejeh, AAI Etobro, EO Adaikpoh J. Env. Earth Sci 3, 170-184, 2013 | 6 | 2013 |
| Geochemistry of fluvial sediments from Geregu, Southwest Nigeria EE Adiotomre, IO Ejeh, EO Adaikpoh Materials and Geoenvironment 64 (1), 35-52, 2017 | 4 | 2017 |
| Petrographic and mineralogical study of extended outcrops of lignite layers in Agbor area, southern Nigeria JE Ogala, S Kalaitzidis, AM Rizos, K Christanis, OO Omo-Irabor, ... Journal of African Earth Sciences 164, 103659, 2020 | 3 | 2020 |
| Basic Geometry and Sedimentary Fill Modelling of Parts of the Onshore Niger Delta, Nigeria OA Ehinola, OI Ejeh Kuwait J Sci Engrg 36, 147-163, 2009 | 3 | 2009 |
| An Integrative Laser Diffraction and Sieving Approach to Characterise Clastic Sediments of River Ero, SW Nigeria EE Adiotomre, OI Ejeh, IAA Etobro Iranian Journal of Science and Technology, Transactions A: Science 45, 1341-1353, 2021 | 1 | 2021 |
| Temporal Variation in the Textural Characteristics of Clastic Sediments from Geregu, Ajaokuta, Nigeria EE Adiotomre, OI Ejeh, EO Adaikpoh International Journal of Scientific and Engineering Research 5 (8), 60-65, 2014 | 1 | 2014 |
| Maturity and provenance of the Albian Bima sandstone in Wuro-Dole and environs, Yola Arm, Nigeria AA Etobro, OI Ejeh Cont J Earth Sci 2, 14-24, 2007 | 1 | 2007 |
| Hydrocarbon generation potential of Campano-Maastrichtian to Paleogene shales in the Benin Flank of the Anambra Basin, SW Nigeria OI Ejeh, IAA Etobro, K Perleros, JE Ogala, AO Ehinola, K Christanis, ... Energy Geoscience 5 (3), 100286, 2024 | | 2024 |
| Fluvial sedimentology of the river Ethiope sediments, Niger Delta, Southern Nigeria IAA Etobro, OI Ejeh, GO Ovwamuedo Rudarsko-geološko-naftni zbornik 39 (2), 45-61, 2024 | | 2024 |
| BIOSTRATIGRAPHY AND PALEOENVIRONMENT OF SECTIONS FROM WELL XY 1 AND WELL XY-2, CENTRAL SWAMP DEPOBELT, NIGER DELTA BASIN, NIGERIA CC AKPATI, AAI ETOBRO, OI EJEH Nigerian Journal of Science and Environment 21 (2), 2023 | | 2023 |
| The Coal Beds between Obomkpa and Iseele-Azagba from Southern Nigeria: A Petrographical, Mineralogical and Geochemical Approach JE Ogala, K Perleros, E Kyriazaki, M Aggelopoulos, OI Ejeh, S Kalaitzidis, ... The Society for Organic Petrology (TSOP), 2023 | | 2023 |
