Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
geological formation
|
gptkbp:associatedWith |
mass extinction
dinosaurs extinction |
gptkbp:concentration |
higher than normal in boundary clay
|
gptkbp:containsElement |
iridium
|
gptkbp:discoveredBy |
gptkb:Luis_Alvarez
gptkb:Walter_Alvarez |
gptkbp:discoveredIn |
1980
|
gptkbp:foundIn |
gptkb:Gubbio,_Italy
gptkb:Stevns_Klint,_Denmark gptkb:New_Zealand gptkb:North_America |
https://www.w3.org/2000/01/rdf-schema#label |
iridium anomaly
|
gptkbp:publishedIn |
gptkb:Science_(journal)
|
gptkbp:relatedTo |
gptkb:Cretaceous–Paleogene_boundary
gptkb:Chicxulub_impactor |
gptkbp:significance |
evidence for asteroid impact
|
gptkbp:usedAsEvidenceFor |
impact hypothesis
|
gptkbp:bfsParent |
gptkb:Alvarez_hypothesis_(dinosaur_extinction)
gptkb:Alvarez_hypothesis_(dinosaur_extinction_by_asteroid_impact) |
gptkbp:bfsLayer |
5
|