Below these beds but one series of beds is as yet known in the world, called the “Laurentian.”
In this broad sense we may be said to be still living in the Laurentian epoch.
However, until this happens they may be conveniently classed as Laurentian.
From the Laurentian up to the recent rocks there has never been any real hiatus.
Many inquiries suggest themselves to the zoologist in connection with the life of the Laurentian period.
The white and gray Laurentian boulders lay along the roadside.
It is from this model that Vasari executed the much-criticised staircase of the Laurentian.
We have considered the Laurentian highland and the glaciation which centered there.
Thus in the Laurentian Lakes above Ontario the geologist finds evidence that the drainage lines have again and again been changed.
Let this suffice at present for the Cambrian and Laurentian rocks.
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.