Triassic
| Triassic | |
|---|---|
| Chronology | |
| Etymology | |
| Name formality | Formal |
| Usage information | |
| Celestial body | Earth |
| Regional usage | Global (ICS) |
| Time scale(s) used | ICS Time Scale |
| Definition | |
| Chronological unit | Period |
| Stratigraphic unit | System |
| Time span formality | Formal |
| Lower boundary definition | First appearance of the conodont Hindeodus parvus |
| Lower boundary GSSP | Meishan, Zhejiang, China 31°04′47″N 119°42′21″E / 31.0798°N 119.7058°E |
| GSSP ratified | 2001[1] |
| Upper boundary definition | First appearance of the ammonite Psiloceras spelae tirolicum |
| Upper boundary GSSP | Kuhjoch section, Karwendel mountains, Northern Calcareous Alps, Austria 47°29′02″N 11°31′50″E / 47.4839°N 11.5306°E |
| GSSP ratified | 2010[2] |
Triassic යනු මීට වසර මිලියන 252-201 කට පෙර, එනම් මිසොසොයික ගයේ පළමු කාල පරිච්ඡේදය වේ.
ආශ්රිත
[සංස්කරණය]
- Geologic time scale
- List of fossil sites (with link directory)
- Phylloceratina
- Dinosaurs
සටහන්
[සංස්කරණය]- ^ Hongfu, Yin; Kexin, Zhang; Jinnan, Tong; Zunyi, Yang; Shunbao, Wu (June 2001). "The Global Stratotype Section and Point (GSSP) of the Permian-Triassic Boundary" (PDF). Episodes. 24 (2): 102–14. doi:10.18814/epiiugs/2001/v24i2/004. සම්ප්රවේශය 8 December 2020.
- ^ Hillebrandt, A.v.; Krystyn, L.; Kürschner, W. M.; et al. (September 2013). "The Global Stratotype Sections and Point (GSSP) for the base of the Jurassic System at Kuhjoch (Karwendel Mountains, Northern Calcareous Alps, Tyrol, Austria)". Episodes. 36 (3): 162–98. CiteSeerX 10.1.1.736.9905. doi:10.18814/epiiugs/2013/v36i3/001. සම්ප්රවේශය 12 December 2020.
භාහිර සබැඳි
[සංස්කරණය]
Triassic හා සබැඳි මාධ්ය විකිමාධ්ය කොමන්ස් හි ඇත.
triassic , යන්න නිදහස් ශබ්දකෝෂය වන වික්ෂනරිය දී සොයා බලන්න.
- Overall introduction
- 'The Triassic world'
- Douglas Henderson's illustrations of Triassic animals[permanent dead link]
- Paleofiles page on the Triassic extinctions
- Examples of Triassic Fossils
- Triassic (chronostratigraphy scale)
