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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	Shale is a sedimentary rock and it is typically part of a thick package of sedimentary rocks that can be anywhere from 0 to 30,000 feet thick or more.
http://www.w3.org/ns/prov#wasQuotedFrom	energytrendsinsider.com