About: http://webisa.webdatacommons.org/140836599

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Silicates are the most common constituents as much as 40-80 percent by weight, in igneous rocks.
http://www.w3.org/ns/prov#wasQuotedFrom	wou.edu