
The Norian is a division of the Triassic geological period. It has the rank of an age (geochronology) or stage (chronostratigraphy). The Norian lasted from {Geologic Ages Inline|Norian} to {Geologic Ages Inline|Rhaetian} million years ago. It was preceded by the Carnian and succeeded by the Rhaetian. ==Stratigraphic definitions== The Norian was na...
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http://en.wikipedia.org/wiki/Norian

• (a.) Pertaining to the upper portion of the Laurentian rocks. • (a.) Pertaining to the upper portion of the Laurentian rocks.
Found on
http://thinkexist.com/dictionary/meaning/norian/
No'ri·an adjective [ From
norite .]
(Geol.) Pertaining to the upper portion of the Laurentian rocks.
T. S. Hunt. Found on
http://www.encyclo.co.uk/webster/N/33
No exact match found.