aztec serpent jade mosaic

Turquoise suggests new trade routes between ancient America and Mexico

Thirty years ago the archaeological scientists Garman Harbottle and Edward Sayre used neutron activation analysis to show that turquoise mosaics from Mexico, found as far away as the great Maya city of Chichén Itzá in Yucatan and dating back to around AD900, used raw material originating in the Cerrillos mines between Albuquerque and Santa Fe in New Mexico, an overland distance of some 3,200 km (2,000 miles).

Jade Axes Proof of Vast Ancient Caribbean Network, Experts Say

A discovery of ancient jade could shake up old notions of the New
World before Columbus. Scientists say they have traced 1,500-year-old
axe blades found in the eastern Caribbean to ancient jade mines in
Central America 1,800 miles (2,900 kilometers) away.

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