GEOLOGICAL AND GEOELECTRICAL INVESTIGATION OF DIRIOTE DEPOSITS IN OBIAGU, AMAUBURI, AND UMUNEOCHI AREA, SOUTH-EASTERN NIGERIA – SUGGESTIONS FOR QUARRY SITE. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 3, p. 40–47, 2023. DOI: 10.33003/fjs-2023-0703-1775. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1775. Acesso em: 12 sep. 2025.