About: http://webisa.webdatacommons.org/150017288

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	Flotation: chemicals are added to the slurry to remove everything other than gold and pyrite.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com