About: http://webisa.webdatacommons.org/61387621

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	They are defined as stratiform disseminations of native copper and copper sulfides in a variety of reducing sedimentary rocks, including black shale, sandstone and carbonates (Kirkham, 1989).
http://www.w3.org/ns/prov#wasQuotedFrom	kuleuven.be