About: http://webisa.webdatacommons.org/340720771

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	Sedimentary deposits are generally easier to mine, but they contain higher quantities of heavy metals, such as uranium and cadmium.
http://www.w3.org/ns/prov#wasQuotedFrom	investorideas.com