About: http://webisa.webdatacommons.org/373951915

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	Base metals such as iron, copper, zinc and cobalt occur widely as sulphides, and more valuable metals such as gold and uranium are also present in the same bodies of ore.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com