About: http://webisa.webdatacommons.org/39732902

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	Very fine grained clay-rich rocks called shales are the major ingredient in brick, tile, and other fired ceramics.
http://www.w3.org/ns/prov#wasQuotedFrom	indiana.edu