PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Plant fossils are commonly infiltrated by minerals such as silica or calcite, and they often retain organic matter and microstructure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • terradaily.com