CGRG Bibliography of Canadian Geomorphology
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Author : Anderson, J.
Date : 2003.
Title : Flute formation: Evidence from Saskatchewan Glacier, Alberta, Canada.
Publication : Annual Meeting of the Western Division, Canadian Association of Geographers, March 13-15, 2003. University of Northern British Columbia Prince George, British Columbia.
Issue :
Page(s) :
Abstract
Flutes are distinctive bedforms composed of till streamlined parallel to the direction of former ice flow. Several authors have proposed models that explain various aspects of flute formation. Subglacial post depositional deformation appears to be the most commonly accepted mechanism in contemporary literature; although other models including primary deposition and erosion have been proposed. This study utilizes sediment and fabric analysis to infer the process of flute formation. Five models of flute formation are reviewed, of which two are consistent with evidence from Andromeda Flute. It is concluded that Andromeda Flute was formed through subsole deformation of till in the lee of an embedded boulder. As seasonal temperature fluctuations froze and thawed the till, deformation persisted downglacier of the previously deformed till.
Bibliography of Canadian Geomorphology