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Athabasca Glacier, Canada – a field example of subglacial ice and till erosion?

Record type: Article

The Athabasca Glacier, resting on a rigid bed, provides an excellent example of subglacial ice and till erosion. The presence of a thin mobile till layer is shown by the presence of flutes, saturated till layer, push moraines and ploughed boulders. Cross-cutting striations, v-shaped striations and reversed stoss-and-lee clasts are indicative of clasts rotating within this layer. As the till moves it erodes the bedrock and clasts within it. A combination of erosion by ice and till produces stoss-and-lee-clasts and generates striations on flutes and embedded clasts, as well as eroding the bedrock into a continuum of smoothed, rounded and streamlined forms.

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Citation

Hart, Jane K. (2006) Athabasca Glacier, Canada – a field example of subglacial ice and till erosion? Earth Surface Processes and Landforms, 31, (1), pp. 65-80. (doi:10.1002/esp.1233).

More information

Published date: 2006
Keywords: glacial erosion, subglacial processes, flutes, stoss-and-lee clasts

Identifiers

Local EPrints ID: 55420
URI: http://eprints.soton.ac.uk/id/eprint/55420
ISSN: 0197-9337
PURE UUID: 21849905-c0f2-4231-b21e-c56df30c67d1
ORCID for Jane K. Hart: ORCID iD orcid.org/0000-0002-2348-3944

Catalogue record

Date deposited: 01 Aug 2008
Last modified: 17 Jul 2017 14:33

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