PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, there is a not entirely negligible amount being extruded by mid-oceanic rifts and volcanos, so there will continue to be a small supply that becomes physically reachable over extremely long timescales. (I would not really count that as renewable.)
http://www.w3.org/ns/prov#wasQuotedFrom
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