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Triassic

Triassic
251.902 ± 0.024 – 201.36 ± 0.17 Ma
Chronology
Etymology
Name formalityFormal
Usage information
Celestial bodyEarth
Regional usageGlobal (ICS)
Time scale(s) usedICS Time Scale
Definition
Chronological unitPeriod
Stratigraphic unitSystem
Time span formalityFormal
Lower boundary definitionFirst appearance of the conodont Hindeodus parvus
Lower boundary GSSPMeishan, Zhejiang, China
31°04′47″N 119°42′21″E / 31.0798°N 119.7058°E / 31.0798; 119.7058
GSSP ratified2001[1]
Upper boundary definitionFirst appearance of the ammonite Psiloceras spelae tirolicum
Upper boundary GSSPKuhjoch section, Karwendel mountains, Northern Calcareous Alps, Austria
47°29′02″N 11°31′50″E / 47.4839°N 11.5306°E / 47.4839; 11.5306
GSSP ratified2010[2]

Triassic යනු මීට වසර මිලියන 252-201 කට පෙර, එනම් මිසොසොයික ගයේ පළමු කාල පරිච්ඡේදය වේ.

ආශ්‍රිත

සටහන්

  1. ^ 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.
  2. ^ 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

සැකිල්ල:Triassic Footer

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