PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Generally, ores of metals, coal, oil, natural gas, gemstones, dimension stone, construction aggregate, salt and other materials extracted from the ground are considered to be minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tworiversland.com