Maps of the Maximum Postglacial Marine Limit and Rebound for the Former Laurentide Ice Sheet (The National Atlas of Canada)
Open Access
- 1 January 1973
- journal article
- research article
- Published by Taylor & Francis in Arctic and Alpine Research
- Vol. 5 (1) , 41
- https://doi.org/10.2307/1550298
Abstract
A revised map of marine limit elevations and the amount of postglacial rebound in the area formerly covered by the Laurentide ice sheet has been produced in color at a scale of 1:30 million for The National Atlas of Canada and is included in this paper. The map is compared with others published in 1892, 1918, 1934, and 1962. Because of the scale factor, detailed research is unlikely to alter the main features of the map but it is stressed that detailed mapping of marine limits is a powerful and sensitive tool for deciphering local deglacial histories. Such local studies, combined with the mapping of lower significant strandlines and their dating by 14C is necessary if meaningful checks on geophysical modeling of the earth's rheology are required.Keywords
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