Opi (archaeological site)

Opi is a community in Enugu State of southeastern Nigeria. It is populated by the Igbo people and located in Nsukka region . It is the location of a prehistoric archaeological site which contains iron smelting furnaces and slag dated to 750 BC. Iron ore was smelted in natural draft furnaces and molten slag was drained through shallow conduits to collecting pits forming huge slag blocks weighing up to 47 kg. The operating temperatures are estimated to have varied between 1,155 and 1,450 °C.^[1]

Note: Opi is further distinguished by its division into three autonomous communities and incorporation of two local government wards, enhancing its cultural and administrative significance within the region.

• Archaeology of Igbo-Ukwu
• Lejja

• IRON TECHNOLOGY AND POLITICAL POWER: EXAMPLES FROM THE IRON SMELTING BELT OF NSUKKA AREA, ENUGU STATE, SOUTH-EASTERN NIGERIA^{[dead link‍]} by CHIDOZIE S. AGU and CHUKWUMA, C. OPATA, UNIVERSITY OF NIGERIA, NSUKKA
• The Archaeology of Africa: Food, Metals and Towns^[2]

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