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A reconnaissance of the geomorphology and glacial history of the upper Gordon River Valley, Tasmania

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Kiernan, K (1995) A reconnaissance of the geomorphology and glacial history of the upper Gordon River Valley, Tasmania. Tasforests, 7. pp. 51-76.

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Abstract

A reconnaissance of the land forms and
Quaternary sediments of the uppermost Gordon
River Valley and adjacent Guelph River Valley
indicates that at least two and probably three
glaciations are represented. The most striking
landforms produced by glacial erosion of the King
William Range appear to date from glaciations that
predate those recorded during this survey. When
the ice cover was most extensive, the Gordon
Glacier was nourished partly by diffluent ice from
the Derwent and Guelph Valleys, but during the
late Last Glacial Stage the Gordon Glacier was
nourished primarily by local sources. The glacial
sediments as far as 11 km from the head of the
Gordon Valley are weathered to only a moderate
extent and appear much younger than the heavily
weathered drifts that define the maximum glacier
limits in almost all other Tasmanian valleys
studied previously. This suggests that the tills
identified to date in the Gordon Valley are not
likely to represent the maximum down-valley
extent of the Gordon Glacier.

Item Type: Article
Journal or Publication Title: Tasforests
Page Range: pp. 51-76
Date Deposited: 17 Dec 2010 05:07
Last Modified: 17 Dec 2010 05:07
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