From Wikipedia, the free encyclopedia
Triassic යනු මීට වසර මිලියන 252-201 කට පෙර, එනම් මිසොසොයික ගයේ පළමු කාල පරිච්ඡේදය වේ.
Triassic | |
---|---|
Chronology | |
සැකිල්ල:Triassic graphical timeline | |
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 31.0798°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 47.4839°N 11.5306°E |
GSSP ratified | 2010[2] |
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.