That is, being physically central meant the ancestral peoples of Xwe’etay were able to access the best quality obsidian from a source as much 900 km away, as well as the more local Nch’kay obsidian.

Obsidian originated from a geological formation known as the Trans-Mexican Volcanic Belt, spanning 621 miles (1,000 kilometers) from the west to east coasts in central Mexico, the study authors noted.

Obsidian Cliff examples made up about 30 per cent. But the data suggests the trade routes were distinct from each other, with the North Saskatchewan River and the Red Deer River acting as natural ...

Archaeologists working in Mexico City have unearthed hundreds of obsidian artifacts and weapons dating back to pre-Columbian Mesoamerica and the Mexica Empire.