<http://webisa.webdatacommons.org/456316541>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<age-of-the-sage.org> .
<http://webisa.webdatacommons.org/prov/190508017>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456316541> .
<http://webisa.webdatacommons.org/456316541>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/456316541>	<http://www.w3.org/ns/prov#value>	"Over perhaps a million years conditions prevailed where algae and other vegetation contributed" .