- (a.) Pertaining to the upper portion of the Laurentian rocks.
- (a.) Pertaining to the upper portion of the Laurentian rocks.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Norian. Retrieved September 25, 2026, from http://smartdefine.org/norian/definitions/2037306 |
| Chicago | Webster's. 2011. "Norian" http://smartdefine.org/norian/definitions/2037306 (accessed September 25, 2026). |
| Harvard | Webster's 2011, Norian, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/norian/definitions/2037306>. |
| MLA | Webster's. "Norian" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/norian/definitions/2037306> |