The Loch Lomond Stadial Glaciation in Assynt: a reappraisal

Bradwell, Tom. 2006 The Loch Lomond Stadial Glaciation in Assynt: a reappraisal. Scottish Geographical Journal, 122 (4). 274-292.

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Previous work in NW Scotland proposed independent valley and corrie glaciers in Assynt during the Loch Lomond Stadial (LLS). However, recent BGS mapping has identified moraine sequences in Glen Beag, Glen Cassley, and north of Ben More Asssynt suggesting that the last glaciers extended several kilometres beyond the previously identified limits – forming a ~100 km2 mountain icefield. 10Be exposure ages from boulders in Glen Cassley indicate that these moraines were deposited during the LLS. Elsewhere in Assynt, moraines relating to an earlier mountain glaciation, probably c. 15 ka BP, are also preserved. This new evidence suggests that ice cover at LLS maximum was thicker and considerably more extensive than previously reported. This has important implications for glacier dynamics, sea-level modelling and palaeoclimate in Scotland.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: BGS Programmes > Geology and Landscape Northern
ISSN: 1470-2541
Additional Keywords: Glacial landforms, mountain icefield, NW Scotland, Younger Dryas
NORA Subject Terms: Glaciology
Earth Sciences
Date made live: 25 Feb 2008 17:17 +0 (UTC)

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