Case Studies, Education, Environmental News, Geology, Geology Talk, Industry News, News, Other Obsidian discovery reveals its eastern origins Archaeologists from the University of Texas Arlington have found obsidian flakes more than 4000 kilometres away from their point of origin.Read More Henry Ballard25/06/2021, 1:44 pm25/06/2021 Comments Off on Obsidian discovery reveals its eastern origins 1024
