Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mass extinction event
|
| gptkbp:alsoKnownAs |
gptkb:Cretaceous–Paleogene_extinction_event
gptkb:K-T_extinction |
| gptkbp:borders |
gptkb:Paleogene_period
gptkb:Cretaceous_period |
| gptkbp:causedBy |
gptkb:volcanic_activity
climate change asteroid impact |
| gptkbp:evidence |
gptkb:shocked_quartz
iridium layer tektites |
| gptkbp:extincted |
gptkb:ammonites
non-avian dinosaurs many plant species many marine reptiles |
| https://www.w3.org/2000/01/rdf-schema#label |
K-Pg extinction
|
| gptkbp:mainImpactSite |
gptkb:Chicxulub_crater
|
| gptkbp:occurred |
about 66 million years ago
|
| gptkbp:percentageSpeciesLost |
about 75%
|
| gptkbp:relatedTo |
gptkb:Chicxulub_impactor
gptkb:Deccan_Traps mass extinction events |
| gptkbp:significance |
beginning of Cenozoic Era
end of Mesozoic Era |
| gptkbp:studiedBy |
geologists
paleontologists |
| gptkbp:survived |
birds
mammals turtles crocodilians |
| gptkbp:bfsParent |
gptkb:Cretaceous-Paleogene_extinction
|
| gptkbp:bfsLayer |
7
|