In 2015, liquid mercury was discovered in sealed tunnels beneath the Pyramid of the Feathered Serpent at Teotihuacan. Mercury is almost never found liquid in nature and highly toxic. The big mystery: how did they extract and store it?
Liquid mercury discovered in tunnels beneath Temple of Feathered Serpent

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Key facts
- In 2015, archaeologist Sergio Gómez discovered liquid mercury in sealed tunnels beneath Temple of the Feathered Serpent
- Tunnels extend hundreds of feet below the pyramid
- Mercury is almost never found in liquid form in nature and is highly toxic
- Mercury difficult to extract and store with known ancient Mesoamerican technology
- Mercury has also been found at Mayan site El Mirador and in ancient Chinese tombs
- Researchers speculate mercury may relate to lost technologies or energy generation
Sources
Liquid mercury found beneath Teotihuacan temple - ASU Newsnews.asu.edu
Liquid mercury has been found in an excavated tunnel beneath the ancient Mesoamerican city's Feathered Serpent Pyramid, but why it is there is up for ...
Liquid mercury found under Mexican pyramid could lead to king's tombtheguardian.com
... Quetzalcoatl (Feathered Serpent) Temple mexico. Visitors look at the archaeological area of the Quetzalcoatl (Feathered Serpent) Temple near the ...
Archaeologist Finds Liquid Mercury at Ancient Mesoamerican Sitehyperallergic.com
Archaeologist Sergio Gómez told Reuters that he found the silvery poison beneath the Pyramid of the Feathered Serpent in Teotihuacan — the third ...
Liquid mercury found under Teotihuacan temple - The History Blogthehistoryblog.com
The excavations under the Temple of the Feathered Serpent in Teotihuacan have unearthed another exceptional find: large quantities of liquid mercury.
News - Liquid Mercury Discovered Beneath Teotihuacan Pyramidarchaeology.org
... tunnel located beneath the Pyramid of the Feathered Serpent in Teotihuacan. ... tunnel, which had been sealed for 1,800 years. Jade statues ...
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