- of or relating to the St. Lawrence River.
- Geology. noting or pertaining to the granite intrusions and orogeny in Canada around the Great Lakes during Archeozoic time.
Origin of Laurentian
- a range of low mountains in E Canada, between the St. Lawrence River and Hudson Bay.
Examples from the Web for laurentian
In this broad sense we may be said to be still living in the Laurentian epoch.
It is also akin to the Serpentine filling the pores of Eozoon in the Laurentian.
From the Laurentian up to the recent rocks there has never been any real hiatus.The Gospel Of Evolution
The white and gray Laurentian boulders lay along the roadside.Locusts and Wild Honey
It is from this model that Vasari executed the much-criticised staircase of the Laurentian.Michelangelo
- Also: Lawrentian of or resembling the style of D. H. Lawrence or T. E. Lawrence
- of, relating to, or situated near the St Lawrence River
- a range of low mountains in E Canada, in Quebec between the St Lawrence River and Hudson Bay. Highest point: 1191 m (3905 ft)Also called: Laurentides (ˈlɔːrənˌtaɪdz)
Word Origin and History for laurentian
in reference to granite strata in eastern Canada, 1863, named for the Laurentian Mountains, where it is found, which are named for the nearby St. Lawrence River. Hence, Laurasia, Paleozoic supercontinent comprising North America and Eurasia, 1931, from German (1928), from Laurentia, geologists' name for the ancient core of North America + (Eur)asia.