Aptian (~ 121.4 Ma)

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Darstellung und Status

Index
apt
Farbe CMYK
25 / 0 / 45 / 0
Farbe RGB
R: 191 G: 228 B: 138
Rang
chronostratigraphische Stufe / geochronologisches Alter
Gebrauch
Element ist in Gebrauch
Status
gültiger formeller Begriff

Nomenklatur

Deutsch
Aptien (CH ; DE/AT: Aptium)
Français
Aptien
Italiano
Aptiano
English
Aptian (~ 121.4 Ma)
Herkunft des Namens

Named after the town of Apt (Vaucluse, France).

Historische Varianten

Aptien (d'Orbigny 1840, Sornay et al. 1957), 26e Etage = Aptien (Greppin 1866), Aptésien (Kilian 1910), Néocomien supérieur

Hierarchie und Abfolge

Untergeordnete Einheiten
Hangendes
Untergrenze

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.

Alter

Alter Top
  • Aptien
Alter Basis
  • Aptien

Geografie

Typusregion
Vaucluse (France)

  • Clansayésien

    Name Origin

    Named after the village of Clansayes (Drôme, France).

    Rang
    Chronostratigraphie / Geochronologie
    Status
    lokaler Begriff (informell)
    Kurzbeschreibung
    Local chronostratigraphic substage corresponding to the Late Aptian.
    Age
    Spätes Aptien
    Details anzeigen

  • Gargasian

    Name Origin

    Named after the village of Gargas (Vaucluse, France).

    Rang
    chronostratigraphische Sub-Stufe
    Status
    lokaler Begriff (informell)
    Kurzbeschreibung
    Local chronostratigraphic subdivision corresponding to the latest Early Aptian and to the Middle Aptian.
    Age
    Frühes Aptien
    Details anzeigen

  • Bedoulian

    Name Origin

    Named after the village of La Bédoule (Bouches-du-Rhône, France), near Cassis.

    Rang
    Chronostratigraphie / Geochronologie
    Status
    lokaler Begriff (informell)
    Gültiger Begriff
    Aptian
    Kurzbeschreibung
    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
    Frühes Aptien
    Details anzeigen

  • Selli level (OAE 1a)

    Name Origin

    Named after the Italian geologist Raimondo Selli (1916-1983).

    Rang
    OAE
    Status
    gültig
    Kurzbeschreibung

    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
    Frühes Aptien
    Details anzeigen
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