|
gptkbp:instanceOf
|
gptkb:geological_formation
|
|
gptkbp:beganIn
|
72.1 million years ago
|
|
gptkbp:contains
|
gptkb:Cretaceous–Paleogene_boundary
|
|
gptkbp:correspondsTo
|
gptkb:Uppermost_Cretaceous
|
|
gptkbp:definedIn
|
gptkb:André_Hubert_Dumont
|
|
gptkbp:duration
|
6.1 million years
|
|
gptkbp:endDate
|
66 million years ago
|
|
gptkbp:firstDescribed
|
1849
|
|
gptkbp:followedBy
|
gptkb:Campanian_stage
|
|
gptkbp:location
|
gptkb:Maastricht,_Netherlands
|
|
gptkbp:lowerBoundaryDefinition
|
first appearance of ammonite Pachydiscus neubergicus
|
|
gptkbp:namedAfter
|
gptkb:Maastricht
|
|
gptkbp:partOf
|
gptkb:Late_Cretaceous
|
|
gptkbp:precededBy
|
gptkb:Danian_stage
|
|
gptkbp:significantEvent
|
gptkb:Cretaceous–Paleogene_extinction_event
|
|
gptkbp:stratigraphicUnitOf
|
gptkb:Cretaceous_System
|
|
gptkbp:upperBoundaryDefinition
|
first appearance of the foraminiferan species Globigerina eugubina
|
|
gptkbp:usedIn
|
gptkb:International_Chronostratigraphic_Chart
|
|
gptkbp:bfsParent
|
gptkb:Maastrichtian_age
gptkb:Torosaurus
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Maastrichtian stage
|