File:Mollweide_Paleographic_Map_of_Earth,_225_Ma_(Norian_Age).png · Wikimedia Commons · See Wikimedia Commons
Trias
Sign in to saveAlso known as Triassic Period, Triassic System
première période géologique du Mésozoïque, 252,2 à 201,3 Ma avant le présent
The Triassic is a geologic period that lasted about 50.5 million years, starting 251.902 million years ago after the Permian Period ended and ending 201.4 million years ago when the Jurassic Period began. It matters because it was the first and shortest period of the Mesozoic Era, and both its beginning and end were marked by major extinction events that reshaped life on Earth.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Geologic timespan.color
- Triassic
- Geologic timespan.time_start
- 251.902
- Geologic timespan.time_start_uncertainty
- 0.024
- Geologic timespan.time_end
- 201.4
- Geologic timespan.time_end_uncertainty
- 0.2
- Geologic timespan.image_map
- Mollweide Paleographic Map of Earth, 225 Ma (Norian Age).png
- Geologic timespan.caption_map
- A map of Earth as it appeared during the Norian age of the Late Triassic
- Geologic timespan.timeline
- Triassic
- Geologic timespan.name_formality
- Formal
- Geologic timespan.celestial_body
- earth
- Geologic timespan.usage
- Global (ICS)
- Geologic timespan.timescales_used
- ICS Time Scale
- Geologic timespan.chrono_unit
- Period
- Geologic timespan.strat_unit
- System
- Geologic timespan.timespan_formality
- Formal
- Geologic timespan.lower_boundary_def
- First appearance of the conodont Hindeodus parvus
- Geologic timespan.lower_gssp_location
- Meishan, Zhejiang, China
- Geologic timespan.lower_gssp_accept_date
- 2001
via Wikipedia infobox
Wikidata facts
- Instance of
- system
- Has part
- Late Triassic
- Followed by
- Jurassic
- Follows
- Permian
- Image
- Trossingen formation NT.jpg
- Significant event
- Triassic-Jurassic mass extinction
Show 10 more facts
- described by source
- Encyclopædia Britannica 11th edition
- Commons category
- Triassic
- topic's main category
- Category:Triassic
- start time
- 251902000-
- end time
- 201400000-
- sRGB color hex triplet
- 812B92
- different from
- Trias
- named by
- Friedrich August von Alberti
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- IPA transcription
- /traɪˈæsɪk/
via Wikidata · CC0
Article · Français
Le Trias (autrefois Triassique) est un système géologique, subdivision de l'ère Mésozoïque comprise entre −252,2 ± 0,5 et −201,3 ± 0,2 millions d'années. Le Trias est précédé par le Permien et suivi par le Jurassique. Défini et nommé par le géologue allemand Friedrich August von Alberti en 1834, le Trias doit son nom aux trois unités (litho-)stratigraphiques dont il se compose en Europe centrale : Buntsandstein (grès bigarré), Muschelkalk (calcaire coquillier) et Keuper. La régularité de ces dépôts en Europe centrale a permis aux sédimentologues de mettre en évidence les principes de la stratigraphie. L'appellation « le Triassique » a parfois été utilisée dans certains textes français plus ou moins anciens.
Abstract from DBpedia / Wikipedia · CC BY-SA
Gallery (34)
On the map
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