Clues to African archaeology found in lead isotopes

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Copper artifacts from West Africa. Photo by Thomas Fenn
Copper artifacts from West Africa. Photo by Thomas Fenn

Microscopic specs of lead are offering clues about the enormous cultural changes that swept across northern Africa a thousand years ago. At The University of Arizona in Tucson, a young archaeologist is analyzing lead traces in artifacts to shed light on the relatively little-understood archaeology of Africa, especially the period marked by the spread of the new religion of Islam.


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