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The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across Mesoamerica, from coast to coast. The largest compositional study of obsidian ...
Tulane University. "Vast Aztec trade networks behind ancient obsidian artifacts." ScienceDaily. ScienceDaily, 13 May 2025. <www.sciencedaily.com / releases / 2025 / 05 / 250512153346.htm>.
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