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Kungurian
| Kungurian | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chronology | |||||||||||||
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| Etymology | |||||||||||||
| Name formality | Formal | ||||||||||||
| Usage information | |||||||||||||
| Celestial body | Earth | ||||||||||||
| Regional usage | Global (ICS) | ||||||||||||
| Time scale(s) used | ICS Time Scale | ||||||||||||
| Definition | |||||||||||||
| Chronological unit | Age | ||||||||||||
| Stratigraphic unit | Stage | ||||||||||||
| Time span formality | Formal | ||||||||||||
| Lower boundary definition | Not formally defined | ||||||||||||
| Lower boundary definition candidates | Near FAD of the Conodont Neostreptognathodus pnevi | ||||||||||||
| Lower boundary GSSP candidate section(s) | Mechetlino, Southern Ural Mountains, Russia | ||||||||||||
| Upper boundary definition | FAD of the Conodont Jinogondolella nanginkensis | ||||||||||||
| Upper boundary GSSP | Stratotype Canyon, Guadalupe Mountains, Texas, U.S.A. 31°52′36″N 104°52′36″W / 31.8767°N 104.8768°W | ||||||||||||
| Upper GSSP ratified | 2001[2] | ||||||||||||
In the geologic timescale, the Kungurian is an age or stage of the Permian. It is the latest or upper of four subdivisions of the Cisuralian Epoch or Series. The Kungurian lasted between 283.5 and 273.01 million years ago (Ma). It was preceded by the Artinskian and followed by the Roadian.[3]
- ^ "Chart/Time Scale". www.stratigraphy.org. International Commission on Stratigraphy.
- ^ "GSSP for Roadian Stage". International Commission on Stratigraphy. Retrieved 13 December 2020.
- ^ Gradstein, F.M.; Ogg, J.G. & Smith, A.G.; 2004: A Geologic Time Scale 2004, Cambridge University Press
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