Cretaceous–Paleogene boundary

GPTKB entity

Predicate	Object
gptkbp:instanceOf	geological formation
gptkbp:age	approximately 66 million years ago
gptkbp:alsoKnownAs	gptkb:K–Pg_boundary
gptkbp:associatedWith	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
https://www.w3.org/2000/01/rdf-schema#label	Cretaceous–Paleogene boundary
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:Global_Geopark_(Chicxulub_Crater_Geopark) gptkb:K–Pg_boundary gptkb:iridium_anomaly gptkb:Hell_Creek_Formation gptkb:Maastrichtian
gptkbp:bfsLayer	6