Abstract: This chapter provides information on processes operating both beneath modern glaciers and at their margins. The information is applied to explain quite distinct styles of glaciotectonic deformation that can be found in a glacial landscape. Emphasis lies on tectonic style and strain, starting from the assumption that different glacial regimes are reflected in certain characteristic glaciotectonic styles and widely varying amounts of finite strain. Glaciotectonics involves structural deformations of the upper horizon of the lithosphere caused by glacial stresses. Glaciotectonism refers to the processes leading to these deformations. Their detachment from undeformed bedrocks varies from a few centimeters to a few hundred meters. This definition excludes deformations of an entire crust owing to glacioisostatic movements and reactivation of crustal faults under ice loading. Deformations within the ice itself are excluded, as are processes of glacial erosion, such as plucking of bedrock and the particle-by-particle removal and transport of sediment by glacier ice.
Publication Year: 2002
Publication Date: 2002-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 65
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