Okenu S.C. 2023. GEOLOGICAL AND GEOELECTRICAL INVESTIGATION OF DIRIOTE DEPOSITS IN OBIAGU, AMAUBURI, AND UMUNEOCHI AREA, SOUTH-EASTERN NIGERIA – SUGGESTIONS FOR QUARRY SITE. FUDMA JOURNAL OF SCIENCES. 7, 3 (Jul. 2023), 40 - 47. DOI:https://doi.org/10.33003/fjs-2023-0703-1775.