DELINEATION OF MINERAL POTENTIAL ZONES OVER KEFFI – ABUJA AREA IN NORTH-CENTRAL, NIGERIA USING AEROMAGNETIC DATA. FJST [Internet]. 31 déc. 2016 [cité 17 mai 2026];2(2):106-10. Disponible sur: https://lafiascijournals.org.ng/index.php/fjst/article/view/60