The glacial history of western Kongsoya, Svalbard

O. Ingolfsson, F. Rognvaldsson, H. P. Sejrup

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The landscape of Kongsoya, Svalbard, is shaped by eroding glaciers. The marine limit on western Kongsoya is at approximately 100 m a.s.l. It is tentatively suggested that during the period between c9000 and 2500 BP there was less sea ice cover than before and after that period. It is also suggested that a transgression occurred around or sometime after 8000 BP. Bedrock outcrops are usually deeply weathered, and a search for glacial striae proved fruitless. The basalt plateaux capping the mountains have been overridden by glacial ice, as indicated by Cretaceous tree-trunk erratics. Correlating the Kongsoya amino acid ratios with western Spitsbergen indicates that either the build-up of ice in the northern Barents Sea led ice accumulation over western Spitsbergen, or that the Weichselian ice over western Spitsbergen was cold based while it was warm based over Kong Karls Land, or a combination of the two. -from Authors

Original languageEnglish
Pages (from-to)25-50
Number of pages26
JournalLUNDQUA Report - Lund University, Department of Quaternary Geology
Volume35
Publication statusPublished - 1992

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