About: http://webisa.webdatacommons.org/71624919

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	A sandstone is a sedimentary rock that is composed of less than 50% mud-sized particles and less than 30% gravel, with the remaining rock or mineral grains being sand-sized.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com