About: http://webisa.webdatacommons.org/65526394

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	The oil is usually found trapped in a layer of porous sandstone, which lies just beneath a dome-shaped or folded layer of some non-porous rock such as limestone.
http://www.w3.org/ns/prov#wasQuotedFrom	countdowntothemeltdown.com