About: http://webisa.webdatacommons.org/262285354

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 stable carbon-isotope cratios (from- 22% to - 28.7 %) suggest that the organic matter is of continental and marine origin.
http://www.w3.org/ns/prov#wasQuotedFrom	qu.edu.qa