(geology) Upper lower Miocene geologic time.
Burdigalian
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(′bərd·i′gāl·yən)
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| System | Series | Stage | Age (Ma) | |
|---|---|---|---|---|
| Quaternary | Pleistocene | Gelasian | younger | |
| Neogene | Pliocene | Piacenzian | 2.588–3.600 | |
| Zanclean | 3.600–5.332 | |||
| Miocene | Messinian | 5.332–7.246 | ||
| Tortonian | 7.246–11.608 | |||
| Serravallian | 11.608–13.65 | |||
| Langhian | 13.65–15.97 | |||
| Burdigalian | 15.97–20.43 | |||
| Aquitanian | 20.43–23.03 | |||
| Paleogene | Oligocene | Chattian | older | |
| Subdivision of the Neogeen period according to the IUGS, as of July 2009. | ||||
The Burdigalian is, in the geologic timescale, an age or stage in the early Miocene. It spans the time between 20.43 ± 0.05 Ma and 15.97 ± 0.05 Ma (million years ago). The Burdigalian follows the Aquitanian and is followed by the Langhian.
Contents |
Stratigraphic definition
The name Burdigalian comes from Burdigala, the Latin name for the city of Bordeaux, France. The Burdigalian stage was introduced in scientific literature by Charles Depéret in 1892.
The base of the Burdigalian is at the first appearance of foram species Globigerinoides altiaperturus and the top of magnetic chronozone C6An. An official GSSP for the Burdigalian had not yet been assigned in 2009.
The top of the Burdigalian (the base of the Langhian) is defined by the first appearance of foram species Praeorbulina glomerosa and is also coeval with the top of magnetic chronozone C5Cn.1n.
Paleontology
One famous Burdigalian palaeontologic locality is the Turritellenplatte of Ermingen in Germany.
References
Footnotes
Literature
- Depéret, C.; 1892: Note sur la classification et le parallélisme du Système miocène, Bulletin de la Societé Géologique de France 3(20), p. CXLV-CLVI. (French)
- Gradstein, F.M.; Ogg, J.G. & Smith, A.G.; 2004: A Geologic Time Scale 2004, Cambridge University Press.
External links
- GeoWhen Database - Burdigalian
- Neogene timescale, at the website of the subcommission for stratigraphic information of the ICS
- Neogene timescale at the website of the Norwegian network of offshore records of geology and stratigraphy
| Neogene period | |||
|---|---|---|---|
| Miocene | Pliocene | ||
| Aquitanian | Burdigalian Langhian | Serravallian Tortonian | Messinian |
Zanclean | Piacenzian | ||
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
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 | Aquitanian age |
| Early Miocene |
| Agenian |
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