Coniacian
General info
Belongs to |
Upper Cretaceous
|
Type | chronostratigraphy |
Rank | Stage |
Scope | global |
Status | informal standard |
Author | Coquand |
Year | 1857 |
Etymon | Richemont Seminary near Cognac, Charente province, northern part of the Aquitaine Basin, western France |
Age top (Ma) | 86.3 |
Age base (Ma) | 89.8 |
Date changed | 2022-11-04 |
Reference | Content | Year1 | Pages | Remarks |
---|---|---|---|---|
Gradstein et al., 2004 |
2004
| |||
Gradstein et al., 2012 |
2012
| 944 | ||
Gale et al., 2020 |
2020
| 1023-1086 |
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