Aquitanian Stage
E905197
The Aquitanian Stage is the earliest age of the Miocene Epoch, marking a distinct interval in Earth’s geologic time characterized by significant climatic and faunal transitions.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic stage
ⓘ
geologic age ⓘ |
| associatedWith |
significant climatic transitions
ⓘ
significant faunal transitions ⓘ |
| chronologicalRank | age ⓘ |
| climateCharacterizedBy | transition from Oligocene cooling to warmer Miocene conditions ⓘ |
| correspondsTo | earliest Miocene age ⓘ |
| earliestAgeOf | Miocene Epoch NERFINISHED ⓘ |
| end | 20.44 million years ago ⓘ |
| endUncertainty | ±0.05 million years ⓘ |
| epoch | Miocene NERFINISHED ⓘ |
| era | Cenozoic NERFINISHED ⓘ |
| faunalCharacterizedBy |
changes in marine mollusc assemblages
ⓘ
diversification of early Miocene mammals ⓘ evolution and radiation of marine plankton ⓘ |
| follows | Chattian Stage NERFINISHED ⓘ |
| lowerBoundaryDefinedBy |
first appearance datum of the planktonic foraminifer Paragloborotalia kugleri
ⓘ
near extinction of calcareous nannoplankton Reticulofenestra bisecta ⓘ |
| lowerBoundaryGSSPApprovedBy | International Commission on Stratigraphy NERFINISHED ⓘ |
| lowerBoundaryGSSPCountry | Italy NERFINISHED ⓘ |
| lowerBoundaryGSSPLocation | Lemme-Carrosio section NERFINISHED ⓘ |
| lowerBoundaryGSSPYear | 1996 ⓘ |
| namedAfter | Aquitaine NERFINISHED ⓘ |
| namedBy | Karl Mayer-Eymar NERFINISHED ⓘ |
| nameProposedIn | 1858 ⓘ |
| overlies | Chattian Stage NERFINISHED ⓘ |
| partOf |
Cenozoic Era
NERFINISHED
ⓘ
Miocene Epoch NERFINISHED ⓘ Neogene Period NERFINISHED ⓘ |
| positionInTimeScale | earliest subdivision of the Miocene Epoch ⓘ |
| precedes | Burdigalian Stage NERFINISHED ⓘ |
| regionalUsage | global ⓘ |
| standardizedBy | International Commission on Stratigraphy NERFINISHED ⓘ |
| start | 23.03 million years ago ⓘ |
| startUncertainty | ±0.03 million years ⓘ |
| stratigraphicRank | stage ⓘ |
| system | Neogene System NERFINISHED ⓘ |
| timeSpan | approximately 2.6 million years ⓘ |
| underlies | Burdigalian Stage NERFINISHED ⓘ |
| upperBoundaryDefinedBy |
first appearance datum of the calcareous nannofossil Sphenolithus belemnos
ⓘ
first appearance datum of the foraminifer Globigerinoides altiaperturus ⓘ first appearance datum of the foraminifer Globigerinoides trilobus ⓘ |
| upperBoundaryGSSPCountry | Italy NERFINISHED ⓘ |
| upperBoundaryGSSPLocation | La Vedova Beach section NERFINISHED ⓘ |
| usedIn | international geologic time scale NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Lemme-Carrosio section