Bajocian

Also known as Bajocian Stage, Bajocian Age

In the geologic timescale, the Bajocian is an age and stage in the Middle Jurassic. It lasted from approximately 170.9 ± 0.8 Ma to around 168.2 ± 1.2 Ma (million years ago). The Bajocian Age succeeds the Aalenian Age and precedes the Bathonian Age.

Key facts

Geologic timespan.name: Bajocian
Geologic timespan.color: Bajocian
Geologic timespan.time_start: 170.9
Geologic timespan.time_start_uncertainty: 0.8
Geologic timespan.time_end: 168.2
Geologic timespan.time_end_uncertainty: 1.2
Geologic timespan.timeline: Jurassic
Geologic timespan.name_formality: Formal
Geologic timespan.celestial_body: earth
Geologic timespan.usage: Global (ICS)
Geologic timespan.timescales_used: ICS Time Scale
Geologic timespan.chrono_unit: Age
Geologic timespan.strat_unit: Stage
Geologic timespan.timespan_formality: Formal
Geologic timespan.lower_boundary_def: FAD of the Ammonites Hyperlioceras mundum, Hyperlioceras furcatum, Braunsina aspera, and Braunsina elegantula
Geologic timespan.lower_gssp_location: Cabo Mondego, Portugal
Geologic timespan.lower_gssp_accept_date: 1996
Geologic timespan.upper_boundary_def: FAD of the Ammonite Gonolkites convergen

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Wikidata facts

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sRGB color hex triplet: 9CE2EF
start time: 170300000-
end time: 168300000-

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Article

6 sections

Contents

Stratigraphic definitions
Subdivision
References
Notes
Literature
External links

==Stratigraphic definitions== The Bajocian Stage takes its name from the Latin name (Bajocae) of the town of Bayeux, in the region of Normandy in France. The stage was named and introduced in scientific literature by French palaeontologist Alcide d'Orbigny in 1842.