Cretaceous-Paleogene boundary
GPTKB entity
Statements (24)
| 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
gptkb:Chicxulub_impact_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
|
| 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 |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cretaceous-Paleogene boundary
|