Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:event
|
| gptkbp:calderaDiameter |
~180 kilometers
|
| gptkbp:cause |
gptkb:Cretaceous–Paleogene_extinction_event
global climate change mass extinction of non-avian dinosaurs |
| gptkbp:discoveredBy |
gptkb:Luis_Alvarez
|
| gptkbp:discoveredIn |
1978
|
| gptkbp:energyReleased |
~10^23 joules
|
| gptkbp:evidence |
gptkb:shocked_quartz
iridium layer tektites |
| gptkbp:hasCrater |
~20 kilometers
|
| https://www.w3.org/2000/01/rdf-schema#label |
Chicxulub asteroid impact
|
| gptkbp:impactorDiameter |
10–15 kilometers
|
| gptkbp:namedAfter |
gptkb:Chicxulub,_Yucatán
|
| gptkbp:occurredApproximately |
66 million years ago
|
| gptkbp:occurredIn |
gptkb:Mexico
gptkb:Chicxulub_crater gptkb:Yucatán_Peninsula |
| gptkbp:relatedTo |
gptkb:K–Pg_boundary
|
| gptkbp:resultedIn |
tsunamis
wildfires acid rain collapse of food chains darkened skies |
| gptkbp:studiedBy |
astronomer
geologists paleontologists |
| gptkbp:bfsParent |
gptkb:Cretaceous_period
|
| gptkbp:bfsLayer |
5
|