Chicxulub impact structure

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:lunar_impact_crater
gptkbp:age	about 66 million years
gptkbp:buriedUnder	gptkb:geological_formation
gptkbp:country	gptkb:Mexico
gptkbp:diameter	180 kilometers
gptkbp:discoveredBy	Glen Penfield
gptkbp:discoveredIn	1978
gptkbp:drilledBy	gptkb:International_Ocean_Discovery_Program
gptkbp:evidence	gptkb:shocked_quartz iridium layer tektites
gptkbp:impactorDiameter	10–15 kilometers
gptkbp:impactorType	asteroid or comet
gptkbp:latitude	21.4° N
gptkbp:locatedIn	gptkb:Yucatán_Peninsula
gptkbp:longitude	89.5° W
gptkbp:maximumDepth	20 kilometers
gptkbp:namedAfter	gptkb:Chicxulub
gptkbp:nearestCity	gptkb:Mérida gptkb:Chicxulub_Puerto
gptkbp:partOf	gptkb:Gulf_of_Mexico
gptkbp:period	gptkb:Cretaceous–Paleogene_boundary
gptkbp:relatedEvent	gptkb:Cretaceous–Paleogene_extinction_event
gptkbp:significance	linked to dinosaur extinction
gptkbp:type	multi-ringed basin
gptkbp:visibleAtSurface	no
gptkbp:bfsParent	gptkb:Global_Geopark_(Chicxulub_Crater_Geopark)
gptkbp:bfsLayer	7
http://www.w3.org/2000/01/rdf-schema#label	Chicxulub impact structure