The side growth of lithalsas: some comments on observations in northern Québec

Based on observations in northern Québec and Belgium, the author infers that lithalsas in northern Québec are modern analogues of the enclosed and ramparted depressions that occur on the Hautes Fagnes plateau, Belgium. It is hypothesised that the growth of these lithalsas occurs not only by vertical...

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Bibliographic Details
Published in:Permafrost and Periglacial Processes
Main Author: Pissart, Albert
Format: Article in Journal/Newspaper
Language:English
Published: John Wiley & Sons 2010
Subjects:
Frost thrusting
Hautes Fagnes
Ice segregation
Lithalsas
Northern Québec
Permafrost
Belgium
Canada
Hohe Venn
Physical
chemical
mathematical & earth Sciences
Earth sciences & physical geography
Physique
chimie
mathématiques & sciences de la terre
Sciences de la terre & géographie physique
Ice
permafrost
Permafrost and Periglacial Processes
Online Access:https://orbi.uliege.be/handle/2268/249589
https://orbi.uliege.be/bitstream/2268/249589/1/The%20side%20growth%20of%20lithalsasppa.pdf
https://doi.org/10.1002/ppp.704
Description
Summary:Based on observations in northern Québec and Belgium, the author infers that lithalsas in northern Québec are modern analogues of the enclosed and ramparted depressions that occur on the Hautes Fagnes plateau, Belgium. It is hypothesised that the growth of these lithalsas occurs not only by vertical heave associated with ice segregation within mineral material but also by lateral frost thrusting. © 2010 John Wiley & Sons, Ltd.

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