About: http://webisa.webdatacommons.org/262675993

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 gamma-ray cutoff excluded any lithology, such as sandstone or limestone that was relatively free of argillaceous material.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com