Late Cretaceous (100.5 Ma)
Back to Time ScaleRepresentation and status
- Color CMYK
- 35 / 0 / 75 / 0
- Color RGB
- R: 166 G: 216 B: 74
- Rank
- chronostratigraphic Epoch
- Validity
- Unit is in Use
- Status
- valid formal name
Nomenclature
- Deutsch
- Späte Kreide
- Français
- Crétacé tardif
- Italiano
- Cretacico tardo
- English
- Late Cretaceous (100.5 Ma)
- Historical Variants
-
Série néocrétacique (Revil 1911), Crétacé supérieur (Gignoux & Moret 1944), Cretaceo tardo
Hierarchy and sequence
- Units at roof
Age
- Age at top
-
- Maastrichtian
- Age at base
-
- Cenomanian
-
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