Abstract

Two distinct glacigenic sediment‐landform associations are described from the site of a former ice‐dammed lake at Achnasheen, Ross‐shire, Scotland. Firstly, three cross‐valley ridges, principally composed of rain‐out and sediment gravity flow deposits, were associated with a damming lobe of ice which directly controlled lake level. Secondly, large coalescing meltwater‐fed deltas were developed in front of two outlet glaciers which initially terminated in the western end of the lake. The divergent evolution of the two associations is explained with reference to differing relationships between ice thickness and lake level, flux of meltwater, and glacier activity.

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