About: http://webisa.webdatacommons.org/175268049

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	Limestone is a sedimentary rock consisting primarily of calcium carbonate in the form of the mineral calcite.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com