🇲🇱 Mali · Ancient city
Dia (Shoma)
Iron Age to Islamic (800 BCE–1700 CE) · Soninke / Bambara (Dia inland delta)
500-ha Niger Delta cluster with Shoma 47-ha wall-47, 40 tell-mounds and 2500-year 800 BCE–1700 CE sequence.
🇳🇬 Nigeria · Rock art
Kainji Rock Art and Mounds
MSA to Iron Age (50,000 BCE–1800 CE; rock art 2000 BCE–500 CE) · MSA / Kintampo-related / Iron Age (Borgawa)
Kainji shoreline and islands host Middle Stone Age to Iron Age rock shelters with geometric rock art and 2,000-year mound settlements along Niger River, inundated partially 1968 by Kainji Dam.