The Petrographic Composition of Coal in the Gongola and Yola Arms, Upper Benue Trough Nigeria and a Consideration of the Paleodepositional Environment. J.P.A.S. 2025;23(1):133 – 153. Accessed October 25, 2025. https://atbuscienceforum.com.ng/index.php/jpas/article/view/78