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Stefano Costa 🎈 @steko

New study rethinks pre-Columbian turquoise trade. The analysis challenges long-held assumptions about pre-Columbian trade networks.

The Sr86/Sr87 ratio can be used to differentiate between different source areas, even without pinpointing a specific extraction site.


arstechnica.com/science/2018/0

· Tusky · 1 · 2
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