Ogbesejana, A. B.; Sabo, S. A.; Alisi, I. O.; Egwu, A. C.; Odusina, B. O. GEOCHEMISTRY OF THE UPPER CRETACEOUS SHALES FROM GOMBE FORMATION, GONGOLA BASIN, UPPER BENUE TROUGH, NIGERIA: IMPLICATIONS FOR PROVENANCE AND TECTONIC EVOLUTION. FJS 2024, 8 (6), 528-538. https://doi.org/10.33003/fjs-2024-0806-3013.