INDUSTRIAL MINERAL POTENTIAL OF PEGMATITES IN THE LOKOJA AREA (SHEETS 247NW AND 247SW), NORTH-CENTRAL NIGERIA. FJS [Internet]. 2024 Aug. 24 [cited 2025 Sep. 5];8(4):210-2. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/2663