PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Struggling through the dense forest growth covering the structure, we found it to be a crumbling ruin, built of copper, quartz, iron and other ores, as well as other rock of varying sizes, some weighing as much as 2 to 4 tonnes, through which centuries of tree growth had grown, dislodging much of the stonework.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mysteriousaustralia.com