As the last ice age waned, a great lake was born

By Sid Perkins, 15:57 PM April 15, 2008

During the final millennia of the last ice age, what was briefly the world's largest lake sat along the southwestern edge of the ice sheet that smothered eastern Canada. Researchers have now determined when that lake first formed.

At one point, Canada's Lake Agassiz contained about 30 percent more water than all freshwater bodies of the world hold today (SN: 11/2/02, p. 283). Numerous studies have suggested that the lake disappeared about 8,400 years ago, when the center of the Laurentide Ice...

Source URL: https://www.sciencenews.org/article/last-ice-age-waned-great-lake-was-born