About: http://webisa.webdatacommons.org/423482913

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	These American scientists argued that the iridium was deposited after an impact event, a collision between our planet and an exterrestrial object such as a meteorite or asteroid.
http://www.w3.org/ns/prov#wasQuotedFrom	everythingdinosaur.co.uk