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 (lôr′ən-tīd′, lŏr′-)
Of or relating to a large ice sheet that covered most of the region that now comprises Canada and the northern United States during much of the Pleistocene Epoch and that gradually melted between 18,000 and 8,000 years ago.

[After French les Laurentides, the Laurentian Mountains.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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In other words, between 20,000 and 95,000 years ago, the Laurentide Ice Sheet, which covered most of northern North America, levered the land upwards.
Fourteen thousand years ago, we had the Laurentide Ice Sheet.
The state's coastal areas have been sinking slowly for thousands of years, as the Laurentide Ice Sheet retreated.
When Evan Hennessey climbs a wall, he practices smearing, flagging, and mantling techniques on an indoor gym multiplex board or challenges himself on the colossal boulders formed long ago by the Laurentide Ice Sheet in the western part of Pawtuckaway State Park, a 5,000 acre preserve in New Hampshire.
Past recipients of the award include Andre Buisson, president of Societe Laurentide; Product Care Association's president Mark Kurschner; Dale ConstantinofF, president and CEO of General Paint Corporation; and Beauti-tone's chief executive, Darrin Noble.
Bottomley, "Recharge and preservation of Laurentide glacial melt water in the Canadian shield," Ground Water, vol.
Back then, the spot where we then stood lay hundreds of feet beneath the Laurentide Ice Sheet.
On two earlier expeditions to Baffin Island, Baird had named the Barnes Ice Cap, thought to be a remnant of the Laurentide Ice Sheet.
In some cases, called Heinrich events, the AMOC almost stopped completely when huge chunks of icebergs broke off the Laurentide ice sheet and discharged large amounts of freshwater into the ocean.
About 14,500 years ago, a 1,500-kilometer (900-mile) north-south corridor opened up between the Cordilleran ice sheet - which covered roughly what is today the Canadian province of British Colombia - and the much larger Laurentide ice sheet, which smothered the rest of Canada.
Part I thus walks through a geological creation story of Walden, exploring the Andover Granite bedrock of the Walden area and the Laurentide Ice Sheet whose broken, buried fragment melted into the kettle lake of Walden Pond.
1983) and was last covered by the Laurentide Ice Sheet (LIS) during the Late Wisconsinan Nissourian and Port Bruce Stadials (Calkin and Feenstra 1985, Fig.