PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The term mafic is applied to silicate minerals and rocks that have high concentrations of relatively heavy elements, particularly magnesium and iron.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org