Archaeological Survey of Iron Smelting Sites in Nsukka, Enugu State

Iron smelting has long been recognized as a defining technological achievement in sub-Saharan African prehistory, yet many smelting sites in southeastern Nigeria remain poorly documented. This study conducts a systematic archaeological survey of iron smelting localities in the Nsukka area of Enugu State, focusing on surface collection, site mapping, and preliminary classification of slag heaps, tuyeres, and furnace remains. The research draws on recent scholarship emphasizing community-based heritage documentation and non-destructive field methods. Field data were collected over two seasons using transect surveys and GPS-aided mapping, supplemented by oral testimonies from local blacksmithing communities. Findings reveal at least twelve previously unrecorded smelting localities distributed across four local government areas, with material assemblages suggesting diverse technological traditions spanning several centuries. The study argues that iron production in the Nsukka uplands was not a uniform practice but reflected regional variation shaped by ecological access, trade networks, and inter-community exchange. Comparative analysis with published accounts from the Opi and Lejja sites provides additional interpretive context. The research contributes a baseline dataset useful for future excavation, conservation planning, and intangible heritage management. It also highlights the vulnerability of these sites to agricultural encroachment and urban expansion. Recommendations include local government engagement, site demarcation, and the integration of community memory into formal heritage inventories. Keywords: iron smelting, Nsukka, archaeological survey, heritage documentation, southeastern Nigeria.