Richard Berggreen (Geologist, Geosyntec Consultants)
3.6 – Aliens & Ancient Engineers (9.1.11)
|In Aliens & Ancient Engineers, Teotihuacán…
…But perhaps the most intriguing aspect of Teotihuacán is the finding by archaeologists, of the extensive use of mica embedded in numerous structures. A mineral only found 3,000 miles away, in Brazil.
 Prometheus Entertainment. (2011). Ancient Aliens: 3.6 – Aliens & Ancient Engineers. [DVD Footage: Teotihuacan]. Los Angeles, CA: A&E Networks, LLC / History™.