<http://webisa.webdatacommons.org/prov/121350498>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/242735185> .
<http://webisa.webdatacommons.org/242735185>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .
<http://webisa.webdatacommons.org/prov/365390736>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/242735185> .
<http://webisa.webdatacommons.org/242735185>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/242735185>	<http://www.w3.org/ns/prov#value>	"In general, clays comprise primarily alumina, silica and water and may also contain to a lesser extent iron, alkali, alkaline earth and other metals." .