Oxfordian (163.5 +/-1.0 Ma)

Representation and status

Index

oxf

Color CMYK

25 / 0 / 0 / 0

Color RGB

R: 191 G: 231 B: 241

Rank

chronostratigraphic Stage

Validity

Unit is in Use

Status

valid formal name

Status discussion

Nomenclature

Deutsch

Oxfordien (CH ; DE/AT: Oxfordium, Oxford)

Français

Oxfordien

Italiano

Oxfordiano

English

Oxfordian (163.5 +/-1.0 Ma)

Origin of the Name

Named after the city of Oxford (UK).

Historical Variants

marne oxfordienne = Oxford Clay (Brongniart 1829), Oxfordien (d'Orbigny 1852), Oxford

Hierarchy and sequence

Units at roof

• Kimmeridgian (157.3 +/-1.0 Ma)

Age

Age at top

• Oxfordian

Age at base

• Oxfordian

Geography

Type area

Oxfordshire (UK)

References

Definition

Brongniart Alexandre (1829) : Tableau des terrains qui composent l'écorce terrestre ou essai sur la structure de la partie connue de la Terre. F.G. Levrault (Paris), 435 pages

Definition

d'Orbigny A. (1852) : Paléontologie française - Terrains jurassiques - Céphalopodes.