Cretaceous (~ 145 Ma)
Back to Jurassic (201.3 +/-0.2 Ma)Representation and status
- Color CMYK
- 50 / 0 / 75 / 0
- Color RGB
- R: 127 G: 198 B: 78
- Rank
- chronostratigraphic Period
- Validity
- Unit is in Use
- Status
- valid formal name
Nomenclature
- Deutsch
- Kreide
- Français
- Crétacé
- Italiano
- Cretacico
- English
- Cretaceous (~ 145 Ma)
- Origin of the Name
-
Named derived from the characteristic chalk deposits (Latin: creta = craie, Kreide) of the Paris-London Basin.
- Historical Variants
- terrain crétacique (d'Omalius d'Halloy 1822), Système crétacique (Mayer-Eymar 1888), Terrain crétacé (Sornay et al. 1957), Crétacé, Cretaceo (?), Kreidezeit
Hierarchy and sequence
- Subordinate units
- Units at roof
Age
- Age at top
-
- Maastrichtian
- Age at base
-
- Berriasian
Geography
- Type area
- Bassin de Paris (France)
-
Late Cretaceous (100.5 Ma)
-
Maastrichtian (72.1 +/-0.2 Ma)
- Name Origin
-
Named after the town of Maastricht (Netherlands).
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- In short
-
Last stage of the Cretaceous (and hence of the Mesozoic as well).
- Age
- Maastrichtian
-
Campanian (83.6 +/-0.2 Ma)
- Name Origin
-
Named after the Champagne de Saintonge (Charentes, France), near Cognac.
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- Age
- Campanian
-
Santonian (86.3 +/-0.5 Ma)
- Name Origin
-
Named after the former province of Saintonge (Charentes, France).
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- Age
- Santonian
-
Coniacian (89.8 +/-0.3 Ma)
- Name Origin
-
Named after the town of Cognac (Charente-Maritime, France), where the historical stratotype lies.
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- In short
-
Initially defined as the basal stage of the «Craie supérieure» (chalk ; cf. Cretaceous).
- Age
- Coniacian
-
Turonian (93.9 Ma)
- Name Origin
-
Named after Turonia, the Latine name for Tours (France), Indre-et-Loire.
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- Age
- Turonian
-
Bonarelli level (OAE-2)
- Name Origin
-
Named after the Italian geologist Guido Bonarelli (1871-1951).
- Rank
- Oceanic Anoxic Event
- Status
- valid
- In short
-
Oceanic anoxic event at the Cenomanian/Turonian boundary (around 93 Ma ago) with a major impact on the chemistry of the oceans worldwide. This event correlates with a marine extinction event.
- Age
- Late Cenomanian
-
Cenomanian (100.5 Ma)
- Name Origin
-
Named atfer Cenomanum, the Latine name for Le Mans (France), Sarthe.
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- In short
-
First stage of the Late Cretaceous.
- Age
- Cenomanian
-
-
Early Cretaceous (~ 145 Ma)
-
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
- Spätestes Aptien
-
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
- Aptien
-
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
- Barrémien
-
Hauterivian (~ 132.6 Ma)
- Name Origin
-
Named after the village of Hauterive (NE), NE Neuchâtel.
- Rank
- chronostratigraphic Stage
- Status
- valid formal name
- Age
- Hauterivien
-
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
- Valanginien
-
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
-