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Opi is a community in Enugu State of South-Eastern 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.

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  • Opi is a community in Enugu State of South-Eastern 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. (en)
  • Opi é uma comunidade no estado de Enugu do Sudeste da Nigéria. É povoada pelos ibos e localizado na região de Nsukka. É a localização de um sítio arqueológico pré-histórico que contém fornos de fundição de ferro e escória datada de 750 aC. O minério de ferro foi fundido em fornos de calda natural e a escória fundida foi drenada através de condutas rasas para coleta de poços formando enormes blocos de escória pesando até 47 kg. Calcula-se que as temperaturas de operação variaram entre 1.155 e 1.450 °C. (pt)
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  • medic (en)
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  • July 2022 (en)
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  • Opi is a community in Enugu State of South-Eastern 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. (en)
  • Opi é uma comunidade no estado de Enugu do Sudeste da Nigéria. É povoada pelos ibos e localizado na região de Nsukka. É a localização de um sítio arqueológico pré-histórico que contém fornos de fundição de ferro e escória datada de 750 aC. O minério de ferro foi fundido em fornos de calda natural e a escória fundida foi drenada através de condutas rasas para coleta de poços formando enormes blocos de escória pesando até 47 kg. Calcula-se que as temperaturas de operação variaram entre 1.155 e 1.450 °C. (pt)
rdfs:label
  • Opi (archaeological site) (en)
  • Opi (sítio arqueológico) (pt)
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