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Enyigba is located within Ikwo and Abakaliki Local Government Areas of Ebonyi State on latitudes and and longitude and (Figure 1) and falls within the lower Benue sedimentary formation of southeastern Nigeria. The region is noted for Lead-Zinc mineral (Pb/Zn) mining activities by the locals. Pb/Zn deposits have been found in the lower Abakaliki Basin where metallic ores occur as epigenetic fracture controlled vein deposits, and are restricted to gently dipping carbonaceous black shale spatially distributed (Fatoye et al., 2014). Cratheley and Jones (1965) had earlier attempted to map possible trends of these deposits within the entire Benue Trough (Figure 2). They noted that the outcrops are exposed by road cuts, some agricultural activities, mine sites, and streams/River channels and covered about 54.56 km 2 . The cretaceous sequence of the lower Benue Trough consists of shale, limestone, minor intrusions and pyroclastics and belongs to the Asu River geologic group of Albian age. These are the earliest sediments that were deposited uncomfortably on subsiding basement topographical depression in the Benue basin (Burke et al., 1970).

Mapping Geological Structures Controlling Mineralization in Enyigba Area, South Eastern Nigeria, using Magnetic Inversion Technique