Ypresian (56.0 Ma)

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Representation and status

Color CMYK
0/35/45/0
Color RGB
R: 252 G: 167 B: 115
Rank
chronostratigraphic Stage
Validity
Unit is in Use
Status
valid formal name
Status discussion

Nomenclature

Deutsch
Yprésien
Français
Yprésien
Italiano
Ypresiano
English
Ypresian (56.0 Ma)
Origin of the Name

Named after the village of Ypres = Ieper(Belgium).

Historical Variants

Yprésien (Dumont 1849, Denizot et al. 1957), Ypresium, Ypres

Hierarchy and sequence

Subordinate units
Units at roof
Upper boundary

FAD Hantkenina (Foraminifera)

Lower boundary

strong negative anomaly in δ13C at the Paleocene–Eocene Thermal Maximum (PETM)

Age

Age at top
  • early Eocene
Age at base
  • early Eocene

References

Definition
Dumont A. (1849) : Rapport sur la carte géologique du Royaume. Bull. Acad. roy. Belgique 16/2
Definition
Denizot G., ... (1957) : Tertiaire (France, Belgique, Pays-Bas, Luxembourg). Lexique stratigraphique international, vol. 1 Europe, Fasc. 4a VII

  • Cuisian

    Name Origin

    Named after the village of Cuise-la-Motte (Oise, France).

    Rank
    chronostratigraphic Substage
    Status
    local name (informal)
    In short
    Last, informal substage of the Ypresian.
    Age
    late Ypresian
    Show details

  • Sparnacian

    Name Origin

    Named after the town of Épernay = Sparnacum (Marne, France).

    Rank
    chronostratigraphic Substage
    Status
    local name (informal)
    In short
    Early Ypresian of the Paris Basin.
    Age
    early Eocene
    Show details
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