Early Cretaceous (~ 145 Ma)

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Representation and status

Color CMYK
45 / 0 / 70 / 0
Color RGB
R: 140 G: 205 B: 87
Rank
chronostratigraphic Epoch
Validity
Unit is in Use
Status
valid formal name

Nomenclature

Deutsch
Frühe Kreide
Français
Crétacé précoce
Italiano
Cretacico primo
English
Early Cretaceous (~ 145 Ma)
Historical Variants

Série paléocrétacique (Revil 1911), Crétacé inférieur (Gignoux & Moret 1944)

Hierarchy and sequence

Subordinate units
Units at roof

Age

Age at top
  • Albian
Age at base
  • Berriasian

  • Albian (~ 113.0 Ma)

    Name Origin

    Named after the Aube region (France).

    Rank
    chronostratigraphic Stage
    Status
    valid formal name
    Nomenclatorial Remarks
    <p>Latin: Alba</p>
    In short

    Last stage of the Early Cretaceous.

    Age
    Albian
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    • Vraconnien

      Name Origin

      La Vraconnaz = La Vraconne (VD), Saint-Croix

      Rank
      chronostratigraphy
      Status
      obsolete term (disused)
      Nomenclatorial Remarks
      <p>Vraconnin (Mayer-Eymar 1885) = Albien moyen à tardif &gt;&lt; Rhotomagin = Vraconnien !</p>
      In short

      Local chronostratigraphic subdivision corresponding to the late Albian (and earliest Cenomanian).

      Age
      Latest Albian
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    • Oceanic Anoxic Event (OAE 1d)

      Rank
      Oceanic Anoxic Event
      Status
      valid
      Age
      Latest Albian
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    • Oceanic Anoxic Event (OAE 1c)

      Rank
      chemostratigraphy
      Status
      valid
      In short
      Oceanic anoxic event of the Late Albian.
      Age
      Middle Albian
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  • Paquier Oceanic Anoxic Event (OAE 1b)

    Rank
    Oceanic Anoxic Event
    Status
    valid
    In short

    Oceanic anoxic event of the Early Albian.

    Age
    Latest Aptian
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  • Aptian (~ 121.4 Ma)

    Name Origin

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

    Rank
    chronostratigraphic Stage
    Status
    valid formal name
    In short

    Stage of the Early Cretaceous.

    Age
    Aptian
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    • Clansayésien

      Name Origin

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

      Rank
      chronostratigraphy
      Status
      local name (informal)
      In short
      Local chronostratigraphic substage corresponding to the Late Aptian.
      Age
      Late Aptian
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    • Gargasian

      Name Origin

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

      Rank
      chronostratigraphic Substage
      Status
      local name (informal)
      In short
      Local chronostratigraphic subdivision corresponding to the latest Early Aptian and to the Middle Aptian.
      Age
      Early Aptian
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    • Bedoulian

      Name Origin

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

      Rank
      chronostratigraphy
      Status
      local name (informal)
      Valid term
      Aptian
      In short
      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
      Early Aptian
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    • Selli level (OAE 1a)

      Name Origin

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

      Rank
      Oceanic Anoxic Event
      Status
      valid
      In short

      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
      Early Aptian
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  • Barremian (~ 129.4 Ma)

    Name Origin

    Named after the village of Barrême (Alpes-de-Haute-Provence, France).

    Rank
    chronostratigraphic Stage
    Status
    valid formal name
    In short

    ... based on the Marno-calcaires de Barrême.

    Age
    Barremian
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  • Hauterivian (~ 132.6 Ma)

    Name Origin

    Named after the village of Hauterive (NE), NE Neuchâtel.

    Rank
    chronostratigraphic Stage
    Status
    valid formal name
    Age
    Hauterivian
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    • Faraoni Oceanic Anoxic Event

      Rank
      Oceanic Anoxic Event
      Status
      valid
      Age
      Spätestes Hauterivien
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  • Valanginian (~ 139.8 Ma)

    Name Origin

    Named after the village of Valangin (NE), at the upper end of the Gorges du Seyon (see also inventory of Swiss geotopes n°245).

    Rank
    chronostratigraphic Stage
    Status
    valid formal name
    Nomenclatorial Remarks
    <p>Valendis = ancien nom allemand de Valangin</p>
    In short

    Second stage of the Early Cretaceous.

    Age
    Valanginian
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    • Weissert Oceanic Anoxic Event

      Rank
      Oceanic Anoxic Event
      Status
      valid
      Age
      Spätes Valanginien
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  • Berriasian (~ 145 Ma)

    Name Origin

    Named after the village of Berrias (Ardèche, France).

    Rank
    chronostratigraphic Stage
    Status
    valid formal name
    Nomenclatorial Remarks
    <p>The Berriasella jacobi Zone was previously&nbsp;placed at the end of the Tithonian.</p>
    In short

    First stage of the Cretaceous.

    Age
    Berriasian
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