African trade routes sketched out by mediaeval beads

Cortez Deacetis

Picture: The glass beads analyzed, unearthed by archaeological excavations in Dourou-Boro and Sadia, Mali, and Djoutoubaya, Senegal. check out more  Credit: © UNIGE/Truffa Giachet/Spuhler The origin of glass beads dates back again to early historical periods. The chemical composition of the beads and their morphological and complex qualities can reveal exactly […]