Aptian (~ 121.4 Ma)
Torna a Barremian (~ 129.4 Ma)Rappresentazione e statuto
- Index
- apt
- Colore CMYK
- 25 / 0 / 45 / 0
- Colore RGB
- R: 191 G: 228 B: 138
- Rango
- Piano cronostratigrafico
- Uso
- Unità in uso.
- Status
- termine formale valido
Nomenclatura
- Deutsch
- Aptien (CH ; DE/AT: Aptium)
- Français
- Aptien
- Italiano
- Aptiano
- English
- Aptian (~ 121.4 Ma)
- Origine del nome
-
Named after the town of Apt (Vaucluse, France).
- Varianti storiche
-
Aptien (d'Orbigny 1840, Sornay et al. 1957), 26e Etage = Aptien (Greppin 1866), Aptésien (Kilian 1910), Néocomien supérieur
Gerarchia e successione
- Unità di rango inferiore
- Unità sovrastante
- Limite inferiore
-
The base of the Aptian is determined by the geomagnetic reversal at the start of the M0r chronozone, which is biologically near the first appearance of the ammonite Paradeshayesites oglanlensis.
Età
- Geomorfologia
-
- Aptiano
- Età alla base
-
- Aptiano
Geografia
- Regione-tipo
- Vaucluse (France)
-
Clansayésien
- Name Origin
-
Named after the village of Clansayes (Drôme, France).
- Rango
- cronostratigrafia
- Statuto
- termine locale (informale)
- In breve
- Local chronostratigraphic substage corresponding to the Late Aptian.
- Age
- Aptiano tardo
-
Gargasian
- Name Origin
-
Named after the village of Gargas (Vaucluse, France).
- Rango
- Sotto-Piano cronostratigrafico
- Statuto
- termine locale (informale)
- In breve
- Local chronostratigraphic subdivision corresponding to the latest Early Aptian and to the Middle Aptian.
- Age
- Primo Aptiano
-
Bedoulian
- Name Origin
-
Named after the village of La Bédoule (Bouches-du-Rhône, France), near Cassis.
- Rango
- cronostratigrafia
- Statuto
- termine locale (informale)
- Termine valido
- Aptian
- In breve
- Local chronostratigraphic subdivision designating the Early Aptian. The Bedoulian, based on pelagic deposits (Marno-calcaires de la Bedoule), is approximately equivalent to the Rhodanian, which is based on littoral deposits.
- Age
- Primo Aptiano
-
Selli level (OAE 1a)
- Name Origin
-
Named after the Italian geologist Raimondo Selli (1916-1983).
- Rango
- OAE
- Statuto
- valido
- In breve
-
Oceanic anoxic event at the base of the Aptian (around 120 Ma ago) with a major impact on the chemistry of the oceans worldwide.
- Age
- Primo Aptiano