Norian
Sign in to saveThe Norian is a division of the Triassic Period. It has the rank of an age (geochronology) or stage (chronostratigraphy). It lasted from ~227.3 to million years ago. It was preceded by the Carnian and succeeded by the Rhaetian.
Key facts
- Geologic timespan.name
- Norian
- Geologic timespan.color
- Norian
- Geologic timespan.time_start
- 227.3
- Geologic timespan.time_start_prefix
- ~
- Geologic timespan.time_end
- 205.7
- Geologic timespan.time_end_prefix
- ~
- 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
- Age
- Geologic timespan.strat_unit
- Stage
- Geologic timespan.timespan_formality
- Formal
- Geologic timespan.lower_boundary_def
- Not formally defined
- Geologic timespan.lower_def_candidates
- Base of Stikinoceras kerri ammonoid zone and near FAD of Metapolygnathus echinatus within the M. communisti Conodont zones
- Geologic timespan.lower_gssp_candidates
- Black Bear Ridge, British Columbia, Canada Pizzo Mondello, Sicily, Italy
- Geologic timespan.upper_boundary_def
- Not formally defined
via Wikipedia infobox
Article
7 sectionsContents
- Stratigraphic definitions
- Subages
- Notable formations
- References
- Notes
- Literature
- External links
The Norian is a division of the Triassic Period. It has the rank of an age (geochronology) or stage (chronostratigraphy). It lasted from ~227.3 to million years ago. It was preceded by the Carnian and succeeded by the Rhaetian.
==Stratigraphic definitions== thumb|Cast of a tridactyl footprint of a theropod dinosaur from the Norian of the Czech Republic. The Norian was named after the Noric Alps in Austria. The stage was introduced into scientific literature by Austrian geologist Edmund Mojsisovics von Mojsvar in 1869.