A new study of the 788 pieces is the largest sample of obsidian artifacts ever analyzed for Tenochtitlán, which served as the capital city of the ... light on how the Aztec society evolved ...

"The research team was surprised by the variety of obsidian types found in the ancient capital ... main Aztec temple of Tenochtitlán, called the Templo Mayor, in what is now Mexico City.

"The research team was surprised by the variety of obsidian types found in the ancient capital ... place over decades from the main Aztec temple of Tenochtitlán, called the Templo Mayor, in what is ...