Early Cretaceous (~ 145 Ma)
Back to Late Jurassic (163.5 +/-1.0 Ma)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), Cretaceo primo
Hierarchy and sequence
- 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
-
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 >< Rhotomagin = Vraconnien !</p>
- In short
-
Local chronostratigraphic subdivision corresponding to the late Albian (and earliest Cenomanian).
- Age
- Latest Albian
-
Oceanic Anoxic Event (OAE 1d)
-
Oceanic Anoxic Event (OAE 1c)
- Rank
- chemostratigraphy
- Status
- valid
- In short
- Oceanic anoxic event of the Late Albian.
- Age
- Middle Albian
-
Paquier Oceanic Anoxic Event (OAE 1b)
- Rank
- Oceanic Anoxic Event
- Status
- valid
- In short
-
Oceanic anoxic event of the Early Albian.
- Age
- Latest Aptian
-
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
-
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
-
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
-
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
-
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
-
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
-
Hauterivian (~ 132.6 Ma)
- Name Origin
-
Named after the village of Hauterive (NE), NE Neuchâtel.
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- Age
- Hauterivian
-
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
-
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 placed at the end of the Tithonian.</p>
- In short
-
First stage of the Cretaceous.
- Age
- Berriasian