Kungurian
fourth and last age of the Cisuralian epoch
The Kungurian was a subset of the time during the Permian period.
| 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] | ||||||||||||
References
change- ↑ "Chart/Time Scale". www.stratigraphy.org. International Commission on Stratigraphy.
- ↑ "GSSP for Roadian Stage". International Commission on Stratigraphy. Retrieved 13 December 2020.
