PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The geological process leading to mudstone formation begins when sediment like clay, mud and silt is deposited in areas such as lakes, the bottom of the ocean, or tidal zones.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com