PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Outgassing by volcanic and thermal vent activity released, in addition to many of the atmospheric molecules, reduced metals such as iron, as well as phosphorous, sulfides, H2, CH4, H2O and CO2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bris.ac.uk