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The development and relative chronology of landforms at Kongsfjordhallet, Spitsbergen
Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology.
2008 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Kongsfjordhallet is situated at 79° N on the North coast of Kongsfjorden, Spitsbergen.The landscape shows a large diversity of landforms and sediments and the aim of thisstudy has been to investigate the spatial distribution and temporal differences betweenthese landforms.The most prominent landform is interpreted as a lateral moraine dividing the area fromsoutheast to northwest. This is probably a sign of a standstill during the deglaciation ofan ice-sheet glacier tongue filling the fjord. The valley-glaciers at Kongsfjordhallet haveadvanced after this event and left end moraines on top of the lateral moraine. Largeamounts of meltwater have eroded parts of the Kongsfjordhallet, creating several fossilmeltwater channels that dissect the landscape. Erratic boulders of mainly gneiss type arescattered all over the landscape, as high up as 500 m a.s.l. In addition to the erraticboulders, a lot of allochthonous material is found incorporated in local material,especially as a diamict interpreted as till that covers large parts of Kongsfjordhallet.The till can likely be correlated to one of the diamict units in the cliff sections at theKongsfjordhallet coast. At present, two large ravines drain the area, moving water fromthe glaciers to the ocean and a beach is developing in the Southeast part of the area dueto ocean transgression. Landforms from two glacial events are found, one regional andone local. An episode of high sea-level as well as fluvial and mass-wasting activity afterthe deglaciation is also recorded. The formation of the landforms in the area is believedto be after the Last Glacial Maximum and into the Holocene, but no absolute dates areavailable.

Place, publisher, year, edition, pages
2008. , 26 p.
Keyword [en]
Svalbard, Geomorphology, Glaciers, Landforms, Kongsfjordhallet, Glacial history
National Category
Physical Geography Geology
Identifiers
URN: urn:nbn:se:su:diva-37061OAI: oai:DiVA.org:su-37061DiVA: diva2:292459
Presentation
2008-11-21, U37, Department of Physical Geography and Quaternary Geology, Stockholm, 13:15 (English)
Uppsok
Life Earth Science
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Available from: 2010-02-08 Created: 2010-02-08 Last updated: 2010-02-08Bibliographically approved

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