About: http://webisa.webdatacommons.org/268537558

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	Just like clastic rocks, you can have a mixing of mineral types within a rock.
http://www.w3.org/ns/prov#wasQuotedFrom	oldearth.org