Chicxulub impact crater
E45060
The Chicxulub impact crater is a massive buried structure in Mexico’s Yucatán Peninsula formed by an asteroid impact widely linked to the mass extinction event that wiped out the non-avian dinosaurs.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Chicxulub impact event | 2 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astrobleme
ⓘ
impact crater ⓘ |
| age | about 66 million years ⓘ |
| associatedWith |
Cretaceous–Paleogene mass extinction
ⓘ
extinction of many ammonites ⓘ extinction of many marine reptiles ⓘ extinction of non-avian dinosaurs ⓘ |
| burialDepth | several hundred meters below surface in many areas ⓘ |
| buriedUnder | younger sedimentary rocks ⓘ |
| causeOf | global environmental disruption ⓘ |
| climateEffect |
longer-term climatic perturbations
ⓘ
short-term global cooling ⓘ |
| country | Mexico ⓘ |
| diameter | about 150 kilometers ⓘ |
| discoveredBy |
Antonio Camargo
ⓘ
Glen Penfield ⓘ |
| discoveryDate | late 1970s ⓘ |
| discoveryMethod | geophysical survey ⓘ |
| energyRelease | on the order of 10^23 joules ⓘ |
| evidence |
impact melt rocks
ⓘ
iridium anomaly ⓘ shocked quartz ⓘ |
| geologicalBoundary | Cretaceous–Paleogene boundary ⓘ |
| geologicalPeriod | Late Cretaceous ⓘ |
| identifiedAsImpactStructure | 1990s ⓘ |
| impactEvent |
Chicxulub impact crater
self-linksurface differs
ⓘ
surface form:
Chicxulub impact event
|
| impactingBody | asteroid ⓘ |
| impactorDiameter | about 10 kilometers ⓘ |
| languageOfName | Yucatec Maya ⓘ |
| linkedTo |
global ejecta layer
ⓘ
global iridium-rich K–Pg boundary layer ⓘ worldwide tektite deposits ⓘ |
| locatedIn |
Gulf of Mexico
ⓘ
Yucatán Peninsula ⓘ state of Yucatán ⓘ |
| locatedNear | town of Chicxulub Pueblo ⓘ |
| namedAfter | Chicxulub Pueblo ⓘ |
| nameMeaning | “tail of the devil” in Yucatec Maya ⓘ |
| oneOfLargest | known impact structures on Earth ⓘ |
| partOf | North America ⓘ |
| radius | about 75 kilometers ⓘ |
| researchProject | International Ocean Discovery Program drilling project 364 ⓘ |
| significance | key evidence for impact hypothesis of K–Pg extinction ⓘ |
| structureFeature |
multi-ring basin
ⓘ
peak ring ⓘ |
| studiedBy |
geologists
ⓘ
geophysicists ⓘ paleontologists ⓘ |
| tsunamiGeneration | mega-tsunamis in the Gulf of Mexico ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chicxulub impact event
this entity surface form:
Chicxulub impact event