Maastrichtian
E73999
The Maastrichtian is the final stage of the Late Cretaceous period, marking the last interval of non-avian dinosaur dominance before the mass extinction event 66 million years ago.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Maastrichtian canonical | 13 |
| Maastrichtian Age | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Upper Cretaceous stage
ⓘ
chronostratigraphic stage ⓘ geologic age ⓘ |
| associatedWith |
Cretaceous–Paleogene boundary
ⓘ
surface form:
Cretaceous–Paleogene extinction event
|
| biostratigraphicMarkers |
ammonite zones
ⓘ
planktonic foraminifera zones ⓘ |
| characterizedBy | non-avian dinosaur dominance ⓘ |
| chronologicalRank | stage ⓘ |
| climate | generally warm greenhouse climate ⓘ |
| commonDeposits |
chalk
ⓘ
limestone ⓘ |
| definedBy | Global Boundary Stratotype Section and Point ⓘ |
| duration | about 6.1 million years ⓘ |
| end | approximately 66.0 million years ago ⓘ |
| endOf |
Cretaceous
ⓘ
surface form:
Cretaceous Period
|
| endsWith |
Cretaceous–Paleogene boundary
ⓘ
surface form:
Cretaceous–Paleogene extinction event
|
| era | Mesozoic Era ⓘ |
| follows | Campanian ⓘ |
| geochronologicEquivalent |
Maastrichtian
self-linksurface differs
ⓘ
surface form:
Maastrichtian Age
|
| GSSPApprovalYear | 1995 ⓘ |
| GSSPLocation | Tercis-les-Bains, France ⓘ |
| importantFossilGroups |
ammonites
ⓘ
dinosaurs ⓘ foraminifera ⓘ marine reptiles ⓘ planktonic microfossils ⓘ rudists ⓘ |
| lithostratigraphicCorrelation | Maastricht Formation in the Netherlands ⓘ |
| majorExtinction |
ammonites
ⓘ
many marine reptiles ⓘ many planktonic foraminifera ⓘ non-avian dinosaurs ⓘ |
| namedAfter |
Maastricht
ⓘ
Maastricht ⓘ
surface form:
Maastricht, Netherlands
|
| notableEvent | Chicxulub impact at its end ⓘ |
| partOf |
Cretaceous
ⓘ
surface form:
Cretaceous Period
Late Cretaceous ⓘ |
| positionInCretaceous | last stage of the Cretaceous ⓘ |
| positionInMesozoic | last stage of the Mesozoic Era ⓘ |
| precedes | Danian ⓘ |
| seaLevel | high global sea levels ⓘ |
| series |
Cretaceous
ⓘ
surface form:
Upper Cretaceous Series
|
| start | approximately 72.1 million years ago ⓘ |
| system |
Cretaceous
ⓘ
surface form:
Cretaceous System
|
| timeScale | International Chronostratigraphic Chart ⓘ |
| usedIn |
geologic time scale
ⓘ
paleontology ⓘ stratigraphy ⓘ |
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maastrichtian Age
subject surface form:
Maastricht Formation
subject surface form:
Maastricht Formation