Evidence for the former existence of a thicker ice sheet on the Vestfjella nunataks in western Dronning Maud Land, Antarctica

Lintinen, P.

doi:10.17741/bgsf/68.1.007

Cited by 7 publications

(14 citation statements)

References 6 publications

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“…On the plateau many cross striation relationships show that the easterly (90°-110°) direction is the younger one (Lintinen 1996). The Basen till is classified as a lodgement till based on its massive structure and prominent fabric (Lintinen 1996). Clast fabric measurements from the south-east plain were found to be consistent with the striations on nearby rock surfaces, showing preferred orientations of 150-190° (Lintinen 1996).…”

Section: Discussionmentioning

confidence: 88%

“…Studying unweathered rock surfaces on Basen, Lintinen (1996) determined evidence for two major ice-flow directions, one from 90°-110° and the other from 150°-170°. On the plateau many cross striation relationships show that the easterly (90°-110°) direction is the younger one (Lintinen 1996). The Basen till is classified as a lodgement till based on its massive structure and prominent fabric (Lintinen 1996).…”

Section: Discussionmentioning

confidence: 99%

“…The main surficial cover on Basen consists of frost weathered basaltic regolith, varying from block fields to more fine-grained material (Lintinen 1996). Till cover is present mainly in an extensive field on the plateau and on the south-eastern slope of the nunatak, and its properties have been described by Lintinen (1996) and Lintinen & Nenonen (1997). The till is at least 0.8 m thick (Lintinen 1996).…”

Section: Geological Settingmentioning

confidence: 99%

“…Till cover is present mainly in an extensive field on the plateau and on the south-eastern slope of the nunatak, and its properties have been described by Lintinen (1996) and Lintinen & Nenonen (1997). The till is at least 0.8 m thick (Lintinen 1996).…”

Section: Geological Settingmentioning

confidence: 99%

“…The presence of tills and glacial striations on nunataks of the Vestfjella mountain range indicates that these summits were once affected by higher levels of glaciation, and it has been suggested that the tills and striae were formed during the latest glacial maximum (Lintinen 1996, Lintinen & Nenonen 1997.…”

Section: Introductionmentioning

confidence: 99%

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Palynology of Permian shale, clay and sandstone clasts from the Basen till in northern Vestfjella, Dronning Maud Land

Lindström¹

2005

Antartic science

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Abstract:The palynological content of randomly collected sedimentary rock clasts from the till on the south-east slope of the Basen nunatak in northern Vestfjella in western Dronning Maud Land indicate that these sedimentary rocks were derived from strata of Middle Permian age. The palynological content and preservation is similar to palynofloras described from the sedimentary rocks that crop out at the Fossilryggen nunatak to the south-east, therefore, it seems likely that the Fossilryggen area represents the source of the sedimentary rock samples in the Basen till. This is further supported by known ice flow directions obtained from striations and clast fabric measurements in the area.

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Section: Discussionmentioning

confidence: 88%