PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Stratigraphic formations are everywhere...which is the formation of many layers of sediment, rocks, clays and other strata.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org