Cretaceous–Paleogene boundary
GPTKB entity
Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:age |
approximately 66 million years ago
|
| gptkbp:alsoKnownAs |
gptkb:K–Pg_boundary
|
| gptkbp:associatedWith |
gptkb:mass_extinction_event
|
| gptkbp:category |
stratigraphy
mass extinction events geological time boundaries |
| gptkbp:causedBy |
gptkb:Chicxulub_impact_event
gptkb:volcanism_(Deccan_Traps) |
| gptkbp:followedBy |
gptkb:Paleogene_Period
|
| gptkbp:foundIn |
geological strata worldwide
|
| gptkbp:marking |
beginning of the Cenozoic Era
end of the Mesozoic Era beginning of the Paleogene Period end of the Cretaceous Period |
| gptkbp:precededBy |
gptkb:Cretaceous_Period
|
| gptkbp:recognizedBy |
iridium-rich clay layer
|
| gptkbp:resultedIn |
extinction of non-avian dinosaurs
extinction of ammonites extinction of many marine reptiles extinction of many plant species |
| gptkbp:studiedBy |
geologists
paleontologists |
| gptkbp:bfsParent |
gptkb:K–Pg_boundary
gptkb:iridium_anomaly |
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cretaceous–Paleogene boundary
|