Page 581 - Geosystems An Introduction to Physical Geography 4th Canadian Edition
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Chapter 17 glacial and Periglacial Landscapes 545
Glacier ice movement
Lee side Ice
(glacial plucking)
movement
Jointed bedrock
Stoss side (glacial abrasion)
(a) Roche moutonnée formation on the Melville Peninsula, Nunavut.
▲Figure 17.9 Roche moutonnée. [(a) Bobbé Christopherson.]
(b) The erosional formation processes at work on a roche moutonnée (the white colour represents glacial ice).
V-shaped valley
(a) Preglacial
Arête
Horn
Col Cirque
Truncated spurs
(b) Glacial
Medial moraine
Bergschrund
▲Figure 17.10 An alpine valley, showing preglacial and glacial landscape. inset photos are of an arête and a cirque in Canada, a horn in antarctica, and a bergschrund in Spitsbergen, in the Svalbard archipelago, norway. [arete by rgB Ventures LLC dba Superstock/alamy. Cirque by James Driscoll. Horn and bergschrund by Bobbé Christopherson.]
Main glacier
