About: http://webisa.webdatacommons.org/325852795

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 composed mostly of the mineral calcite, or calcium carbonate (CaCO3), which is secreted by various animals and plants--such as oysters, corals, and algae--that live in aquatic, mostly marine, environments.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu