🇳🇬 Nigeria · Ancient city
Zilum (Chad Basin Proto-city)
Iron Age Sahel / Nok contemporary (550–350 BCE) · Gajiganna culture
12-ha 550 BCE Gajiganna proto-city with 5-m ditch and early Sahelian iron furnace.
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🇳🇬 Nigeria · Ancient city
Iron Age Sahel / Nok contemporary (550–350 BCE) · Gajiganna culture
12-ha 550 BCE Gajiganna proto-city with 5-m ditch and early Sahelian iron furnace.
🇳🇬 Nigeria · Ancient village
Chad Basin Late Stone Age · Gajiganna culture
Urn-field mound complex defining Gajiganna culture bridging Saharan and sub-Saharan pastoralism before Kanem.
🇳🇬 Nigeria · Tell
Gajiganna to Kanem (1800 BCE–800 CE) · Gajiganna / Kanem-Bornu
Lake Chad basin tell 12 m high with Gajiganna sequence 1800 BCE–800 CE.