About: http://webisa.webdatacommons.org/437327468

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It could be a mixture of lead and aluminum.You are quite correct though, given the conditions there is a more than reasonable reason the speculate that the material was a combination of metal and other substances.
http://www.w3.org/ns/prov#wasQuotedFrom	topix.com