Chicxulub impact (debated timing)

URI: https://gptkb.org/entity/Chicxulub_impact_(debated_timing)
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf gptkb:event
gptkbp:alsoKnownAs gptkb:Chicxulub_impact
gptkbp:associatedWith gptkb:Cretaceous–Paleogene_extinction_event
gptkbp:causedBy gptkb:asteroid
gptkbp:craterName gptkb:Chicxulub_crater
gptkbp:date 66 million years ago
gptkbp:debatedBy precise timing of extinction event
timing relative to Deccan Traps volcanism
gptkbp:debatedTiming Other studies support impact coincident with K-Pg boundary
Some studies suggest impact predates K-Pg boundary by thousands of years
gptkbp:depthOfCrater about 20 km
gptkbp:diameterOfCrater about 180 km
gptkbp:diameterOfImpactor 10–15 km
gptkbp:discoveredBy Glen Penfield
gptkbp:discoveredIn 1978
gptkbp:effect tsunamis
acid rain
global wildfires
mass extinction
climate cooling
gptkbp:evidence gptkb:shocked_quartz
iridium layer
tektites
https://www.w3.org/2000/01/rdf-schema#label Chicxulub impact (debated timing)
gptkbp:location gptkb:Yucatán_Peninsula
gptkbp:notablePublication Alvarez et al. 1980
Hull et al. 2020
Renne et al. 2013
Schulte et al. 2010
gptkbp:scientificConsensus impact played major role in mass extinction
gptkbp:bfsParent gptkb:Deccan_Traps_eruptions
gptkbp:bfsLayer 7