Laurentideadj.
/ˈlɒrəntʌɪd//ˈlɔːrəntʌɪd/ Geology.
Pertaining to or designating the ice sheet which covered the eastern part of northern North America during the most recent (Wisconsin) glaciation.
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the world > the earth > structure of the earth > age or period > [adjective] > quaternary > specific glaciation periods > specific ice sheet
Laurentide1890
1890 G. M. Dawson in Amer. Geologist 6 162 The writer ventures to propose that the eastern mer de glace may appropriately be named the great Laurentide glacier, while its western fellow is known as the Cordilleran glacier.
1897 W. B. Scott Geol. xxxii. 526 This is called the Laurentide Ice-sheet or Glacier.
1957 Encycl. Brit. X. 374/2 The Laurentide ice sheet overtopped the White mountains in New Hampshire and so was at least 5,000 ft. thick in that region.
1975 Canad. Jrnl. Earth Sci. 12 1499/2 Laboratory analysis of Laurentide and Cordilleran tills.
1987 Geology 15 537 (heading) Restricted regional extent of the Laurentide Ice Sheet in the Great Lakes basins during early Wisconsin glaciation.
This entry has not yet been fully updated (first published 1997; most recently modified version published online June 2021).
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adj.1890