PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Supai Group: 900 feet thick and a variety of different types of formations, most of them eolian (meaning wind-blown) desert sandstones.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com