“Petrological and Geochemical Characteristics of Pyroclastics Outcropping in Abakaliki Area Lower Benue Trough, Nigeria”, GJSFR, vol. 13, no. H3, pp. 15–22, Sep. 2013, Accessed: Aug. 13, 2026. [Online]. Available: https://www.journalofscience.org/index.php/GJSFR/article/view/1008