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