Laurentian

[ law-ren-shuhn ]

adjective

1. of or relating to the St. Lawrence River.
2. Geology. noting or pertaining to the granite intrusions and orogeny in Canada around the Great Lakes during Archeozoic time.

Laurentian

/ lɔːˈrɛnʃən /

adjective

1. AlsoLawrentian of or resembling the style of D. H. Lawrence or T. E. Lawrence
2. of, relating to, or situated near the St Lawrence River

Word History and Origins

Origin of Laurentian¹

First recorded in 1860–65; from Late Latin Laurenti(us) “Lawrence” (originally an adjective, equivalent to Laurentēs, “men of Laurentum ”) + -ius + -an; -an, -ious

Example Sentences

Thus in the Laurentian Lakes above Ontario the geologist finds evidence that the drainage lines have again and again been changed.

From Project Gutenberg

The Laurentian rocks of the typical Laurentide region are largely crystalline schists associated with massive crystalline rocks.

From Project Gutenberg

The Laurentian rocks have yielded only one fossil—a large foraminifer named Eozoon Canadense.

From Project Gutenberg

The Laurentian formation of gneiss and granite, of unknown thickness.

From Project Gutenberg

Many inquiries suggest themselves to the zoologist in connection with the life of the Laurentian period.

From Project Gutenberg