| Lithofacies, palynofacies, and sequence stratigraphy of Palaeogene strata in Southeastern Nigeria FE Oboh-Ikuenobe, CG Obi, CA Jaramillo Journal of African Earth Sciences 41 (1-2), 79-101, 2005 | 204 | 2005 |
| Evolution of the Enugu Cuesta: a tectonically driven erosional process GC Obi, CO Okogbue, CS Nwajide Global Journal of Pure and Applied Sciences 7 (2), 321-330, 2001 | 108 | 2001 |
| Depositional model for the Campanian-Maastrichtian Anambra Basin, Southern Nigeria GC Obi Unpublished Ph. D. Thesis, University of Nigeria, Nsukka 291, 2000 | 64 | 2000 |
| Sedimentary response to tectonism in the Campanian–Maastrichtian succession, Anambra Basin, southeastern Nigeria GC Obi, CO Okogbue Journal of African Earth Sciences 38 (1), 99-108, 2004 | 59 | 2004 |
| Sedimentology and sequence stratigraphy of the Nkporo Group (Campanian–Maastrichtian), Anambra Basin, Nigeria SO Odunze, GC Obi, W Yuan, L Min Journal of Palaeogeography 2 (2), 192-208, 2013 | 43 | 2013 |
| A paleogeographic model for the sandstone members of the Imo Shale, south-eastern Nigeria OC Ekwenye, GJ Nichols, M Collinson, CS Nwajide, GC Obi Journal of African Earth Sciences 96, 190-211, 2014 | 35 | 2014 |
| Paleocene ichthyofauna and paleoenvironmental setting, Imo Formation, southeastern Nigeria NJ Stevens, JT Eastman, SO Odunze, LN Cooper, GC Obi Neues Jahrbuch fur Geologie und Palaontologie-Abhandlungen 260 (3), 289, 2011 | 14 | 2011 |
| Upper Cretaceous Gongila Formation in the Hawal Basin, northeast Benue Trough: a storm and wave dominated regressive shoreline complex GC Obi Journal of African Earth Sciences 26 (4), 619-632, 1998 | 14 | 1998 |
| Depositional model for the Campanian-Maastrichtian Anambra Basin, Southeastern, Nigeria GC Obi Unpublished Ph. D. Thesis, University of Nigeria, Nsukka, 2000 | 13 | 2000 |
| Sequence stratigraphic framework of the Imo Formation in the Southern Benue Trough OS Odunze, GC Obi Journal of Mining and Geology 47 (2), 135-146, 2011 | 10 | 2011 |
| An insight into the Eocene tide-dominated estuarine system: implications for palaeoenvironmental and sequence stratigraphic interpretations OC Ekwenye, G Nichols, SC Nwajide, GC Obi, OC Onyemesili Arabian Journal of Geosciences 10 (16), 371, 2017 | 7 | 2017 |
| Ichnofacies and reservoir properties of shoreline deposit in the coastal swamp depobelt of the Niger Delta OC Egbu, GC Obi, CO Okogbue, AW Mode AAPG International Conference and Exhibition, 1-7, 2009 | 6 | 2009 |
| Paleocene ichthyofauna and paleoenvironmental setting, Imo Formation, southeastern Nigeria S Odunze, N Stevens, G Obi, J Eastman Journal of Vertebrate Paleontology 29, 158A-158A, 2009 | 3 | 2009 |
| Stratigraphic relations and habitat of the Bende fish teeth, southeastern Nigeria SO Odunze-Akasiugwu, GC Obi Arabian Journal of Geosciences 10, 1-10, 2017 | 2 | 2017 |
| Stratigraphic Architecture of the Oweli Sandstone, South-Eastern Nigeria CJ Uduezue, SO Odunze-Akasiugwu, GC Obi The International Journal of Science & Technoledge, 2018 | 1 | 2018 |
| Paleogene ichthyofauna of the Imo and Ameki formations, southeastern Nigeria SO Odunze, NJ Stevens, LN Cooper, GC Obi Journal of Vertebrate Paleontology 32, 152-152, 2012 | 1 | 2012 |
| The Nsukka Formation In The Inyi-Ihube Area, Anambra Basin: A Lithostratigraphic Analysis GI Onyenweife, GC Obi | | 2022 |
| New Data on the Stratigraphy of the Ameki Group, Se Nigeria: Implications for the Eocene Stratigraphic Nomenclature U Janefrances, OA Onyinye, GC Obi Asian Journal of Geological Research 4 (3), 37-49, 2021 | | 2021 |
| Campanian-Maastrichtian Sequence Stratigraphy of the Anambra Basin, Southern Nigeria GC Obi 2000 AAPG Annual Meeting, 2000 | | 2000 |
| DEPOSITIONAL FACIES AND SEQUENCE STRATIGRAPHY OF INCISED VALLEY-FILL IN THE ‘BETA’FIELD OF THE COASTAL SWAMP DEPOBELT, NIGER DELTA OC Ekwenye, GC Obi, CO Okogbue, MI Umeadi | | |
