Evans, D.J.A. and Ewertowski, M. and Orton, C. (2016) 'Eiríksjökull plateau icefield landsystem, Iceland.', Journal of maps., 12 (5). pp. 747-756.
A 1:9500 scale map of the Eiríksjökull plateau icefield and its post-Little Ice Age (LIA) foreland geomorphology and surficial geology is presented as a modern exemplar of an asymmetrically developed mountain glacier typical of the style of glacierization that dominated during mid-latitude Quaternary cold stages. Features regarded as diagnostic for this setting include (a) ice-cored hummocky terrain, indicative of controlled moraine construction in polythermal snouts, and localized breach lobe development, incremental stagnation and rock glacierization, all indicative of a debris-charged glacier snout; (b) fluted till and moraines, indicative of temperate basal ice conditions up-ice from polythermal glacier margins and (c) glacifluvial and debris flow deposits, occurring as steep fans emanating from glacier snouts at the plateau edge and in ice-contact fans or ramps fed directly by debris-covered glacier margins at the LIA. Although this plateau icefield landsystem is similar to those previously reported from Iceland, a remarkable debris-covered snout/ice-cored moraine complex on the foreland of Klofajökull is a more extreme example of the depositional zone that characterizes the valleys surrounding the more sediment-starved plateau ice dispersal centres.
|Keywords:||Plateau icefield, Glacial landsystem, Eiríksjökull.|
|Full text:||(AM) Accepted Manuscript|
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|Publisher Web site:||http://dx.doi.org/10.1080/17445647.2015.1072448|
|Publisher statement:||This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of Maps on 03/08/2015, available online at: http://www.tandfonline.com/10.1080/17445647.2015.1072448.|
|Date accepted:||08 July 2015|
|Date deposited:||01 September 2015|
|Date of first online publication:||03 August 2015|
|Date first made open access:||03 August 2016|
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