The road to Scandinavia's bronze age: Trade routes, metal provenance, and mixing

The geographic origins of the metals in Scandinavian mixed-metal artifacts reveal a crucial dependency on British and continental European trading sources during the beginnings of the Nordic Bronze Age, according to a study published July 24, 2019 in the open-access journal PLOS ONE by Heide W. Nørgaard from Aarhus University, Denmark, and colleagues.

2000-1700BC marks the earliest Nordic Bronze Age, when the use and availability of metal--specifically tin and copper, which when alloyed together creates bronze--increased drastically in Scandinavia. The authors performed isotope and trace-element analyses on 210 Bronze Age artifact samples, predominantly axeheads, originally collected in Denmark and representing almost 50% of all known existing Danish metal objects from this period.

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