PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If sulfidic conditions could occur with very small amounts of oxygen around, then they might have been even more common and widespread after the GOE.??? Said Lyons, ???This is important because oxygen-poor and sulfidic conditions almost certainly impacted the availability of nutrients essential to life, such as nitrogen and trace metals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucr.edu