Cretaceous-Paleogene boundary
GPTKB entity
Statements (25)
Predicate | Object |
---|---|
gptkbp:instanceOf |
geological formation
|
gptkbp:age |
approximately 66 million years ago
|
gptkbp:alsoKnownAs |
gptkb:K–Pg_boundary
|
gptkbp:associatedWith |
gptkb:Chicxulub_impact_event
mass extinction event |
gptkbp:category |
geological time boundary
mass extinction boundary |
gptkbp:causeOfExtinction |
non-avian dinosaurs
|
gptkbp:endDate |
gptkb:Cretaceous_period
|
gptkbp:evidence |
iridium layer
geological strata worldwide |
gptkbp:followedBy |
gptkb:Paleogene_period
|
https://www.w3.org/2000/01/rdf-schema#label |
Cretaceous-Paleogene boundary
|
gptkbp:location |
gptkb:Gubbio,_Italy
gptkb:Stevns_Klint,_Denmark |
gptkbp:marksStartOf |
gptkb:Paleogene_period
|
gptkbp:notableFor |
sudden disappearance of many species
|
gptkbp:precededBy |
gptkb:Cretaceous_period
|
gptkbp:significance |
marks one of the largest mass extinctions in Earth's history
|
gptkbp:studiedBy |
geologists
paleontologists |
gptkbp:bfsParent |
gptkb:Paleocene-Eocene
gptkb:Deccan_Traps gptkb:Deccan_Traps_volcanic_eruptions |
gptkbp:bfsLayer |
7
|