Cretaceous-Paleogene extinction event

URI: https://gptkb.org/entity/Cretaceous-Paleogene_extinction_event
GPTKB entity
Statements (52)
Predicate Object
gptkbp:instanceOf mass extinction event
gptkbp:alsoKnownAs gptkb:Cretaceous-Tertiary_extinction_event
gptkb:K-Pg_extinction_event
gptkb:K-T_extinction_event
gptkbp:borders gptkb:Paleogene_period
gptkb:Cretaceous_period
gptkbp:category gptkb:Paleogene_period
gptkb:Cretaceous_period
Paleontology
Extinction events
Geological events
gptkbp:cause asteroid impact
gptkbp:causeOfExtinction gptkb:ammonites
pterosaurs
non-avian dinosaurs
many plant species
many bird species
many marine invertebrates
many marine reptiles
many plankton species
many terrestrial animals
gptkbp:evidence gptkb:Chicxulub_crater
gptkb:shocked_quartz
iridium layer
tektites
https://www.w3.org/2000/01/rdf-schema#label Cretaceous-Paleogene extinction event
gptkbp:impactLocation gptkb:Yucatán_Peninsula,_Mexico
gptkbp:impactSite gptkb:Chicxulub_crater
gptkbp:occurred approximately 66 million years ago
gptkbp:percentageOfSpeciesExtinct about 75%
gptkbp:relatedTo gptkb:Ordovician-Silurian_extinction_event
gptkb:Permian-Triassic_extinction_event
gptkb:Devonian_extinction_event
gptkb:Triassic-Jurassic_extinction_event
gptkbp:resultedIn acid rain
collapse of food chains
darkened skies
global climate change
cooling of Earth's surface
massive wildfires
gptkbp:secondaryCause gptkb:volcanic_activity
gptkb:Deccan_Traps_eruptions
gptkbp:significance rise of mammals
beginning of Cenozoic Era
end of Mesozoic Era
rise of birds
gptkbp:studiedBy geologists
paleontologists
astrobiologists
gptkbp:bfsParent gptkb:Phanerozoic_eon
gptkb:Phanerozoic_Eon
gptkbp:bfsLayer 6