Petrological and Geochemical Characteristics of Pyroclastics Outcropping in Abakaliki Area Lower Benue Trough, Nigeria. GJSFR [Internet]. 2013 Sep. 18 [cited 2026 Aug. 13];13(H3):15-22. Available from: https://www.journalofscience.org/index.php/GJSFR/article/view/1008