Alvarez hypothesis (dinosaur extinction)
GPTKB entity
Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific theory
|
| gptkbp:alternativeHypotheses |
climate change
sea level change volcanism |
| gptkbp:category |
gptkb:astronomy
geology paleontology mass extinction |
| gptkbp:cause |
asteroid impact
|
| gptkbp:event |
about 66 million years ago
|
| gptkbp:evidence |
gptkb:iridium_anomaly
gptkb:microtektites gptkb:shocked_quartz global layer of clay |
| gptkbp:explainsExtinctionOf |
many marine species
many terrestrial species non-avian dinosaurs |
| https://www.w3.org/2000/01/rdf-schema#label |
Alvarez hypothesis (dinosaur extinction)
|
| gptkbp:impactLocation |
gptkb:Yucatán_Peninsula
|
| gptkbp:impactSite |
gptkb:Chicxulub_crater
|
| gptkbp:proposedBy |
gptkb:Luis_Alvarez
gptkb:Walter_Alvarez |
| gptkbp:proposesCauseOf |
gptkb:Cretaceous–Paleogene_extinction_event
|
| gptkbp:publishedIn |
gptkb:Science_(journal)
|
| gptkbp:yearProposed |
1980
|
| gptkbp:bfsParent |
gptkb:Luis_Walter_Alvarez
|
| gptkbp:bfsLayer |
4
|