Laurentide Ice Sheet

ice sheet of

North America

Pleistocene

During the Late Pleistocene, the Laurentide ice sheet reached from the Rocky Mountains eastward through the Great Lakes, into New England, covering nearly all of Canada east of the Rocky Mountains.

random

Once ingested, psilocybin is rapidly metabolized to psilocin, which then acts on serotonin receptors in the brain.

remnant

Canada’s oldest ice is a 20,000-year-old remnant of the Laurentide Ice Sheet called the Barnes Ice Cap, on central Baffin Island.

tagged

The presence of older glacial deposits within the St. Croix River basin proves that the Laurentide Ice Sheet has repeatedly glaciated this region during the Pleistocene Epoch.

tags

ice sheet
glacier

Wikipedia

Laurentide Ice Sheet (Wikipedia) The Laurentide Ice Sheet was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glacial epochs, from 2.58 million years ago to the present.