More than broken jars and roof tiles, the environmental legacy of a Roman mineral industry at Plasenzuela, Extremadura, Spain

https://www.usgs.gov/products/publications?node_publication_type%5B149102%5D=149102&node_publication_type%5B149103%5D=149103&node_publication_type%5B149104%5D=149104&node_publication_type%5B149105%5D=149105&node_publication_type%5B149106%5D=149106&node_publication_type%5B149107%5D=149107&node_publication_type%5B149108%5D=149108&node_publication_type_1=All&node_topics=All&node_release_date=&search_

This interesting article from the US Geological Survey's Eastern Mineral Resources discusses the large metallurgical industry that was in effect 2000-2500 years ago. The authors of this article, Robert G. Schmidt, Cathy M. Ager, and Juan Gil Montes believe that "higher-than-normal metal concentrations in soils over a wide area are best explained as residues of air-borne deposits from the Roman smelting furnaces as they appear to have no geologic basis."

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