Triassic
Triassic | |
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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°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]- 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)
සැකිල්ල:Triassic Footer
මහ පොළොවේ භූවේදාත්මක ඉතිහාසය | |||||||||||||
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Cenozoic Era (present–66.0 Ma) |
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Mesozoic Era (66.0–252 Ma) |
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Paleozoic Era (252–539 Ma) |
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Proterozoic Eon (539 Ma–2.5 Ga) |
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Archean Eon (2.5–4 Ga) |
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Hadean Eon (4–4.6 Ga) | |||||||||||||
ka = kiloannum (thousands years ago); Ma = megaannum (millions years ago); Ga = gigaannum (billions years ago). See also: Geologic time scale • Geology ද්වාරය • World ද්වාරය |
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