New study uncovers vast obsidian trade networks of the Aztec Empire A recent study by Tulane University and Mexico’s Proyecto Templo Mayor has revealed new information regarding the complex obsidian trade networks of the Mexica, popularly referred to as the Aztecs. By analyzing 788 obsidian artifacts recovered from the Templo Mayor—the main temple of Tenochtitlan, which is now in the heart of Mexico City—researchers traced how this prized volcanic glass circulated in Mesoamerica between 1375 and 1521 CE... More information: https://archaeologymag.com/2025/05/vast-obsidian-trade-networks-of-the-aztec-empire/