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From ice to ice-free: Glaciation in the Lake Ayr Valley, central Tasmania
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During the Last Glaciation in Tasmania a large ice cap developed on the western edge of the Central Plateau and overlapped on to the Cradle
Mountain-Lake St Clair area. Several reticulate lobes flowed from this source, with the largest northern outlet, the Mersey Glacier, covering
an area of c. 282 km2.
The Lake Ayr Valley was occupied by a smail diffiuent lobe of the Mersey Glacier, and the lack of activity caused few erosional features
to be formed. Moraines are abundant and can be related to the general retreat phase of the glacial system.
Evidence suggests that retreat was fairly rapid and nO're-advance occurred during this period. Deglacial warming was well
underway by 11 040 ± 280 yrs BP (SUA 3060).
|Keywords:||Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library|
|Journal or Publication Title:||Papers and Proceedings of the Royal Society of Tasmania|
|Page Range:||pp. 35-41|
|Collections:||Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania|
Copyright Royal Society of Tasmania
|Date Deposited:||22 May 2012 23:08|
|Last Modified:||18 Nov 2014 04:34|
|Item Statistics:||View statistics for this item|
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