In Mexico, researchers have for the first time ever discovered previously unknown Mesoamerican mural minerals. The mercury sulfate and iron oxide were found in wall paintings in one of the most important of all pre-Columbian cities, Teotihuacan. The Mesoamerican mural minerals find is helping experts to better understand how ancient Mesoamericans created their artworks and more about their beliefs. An interdisciplinary team, that included specialists from the National Institute of Anthropology and History (INAH) and other Mexican research institutes, was involved in the study at the archaeological site, north-east of Mexico City. They carried out the chemical analysis of murals at the famous Quetzalpapálotl complex at Teotihuacan. The palace structure at the center of the complex is believed to have
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