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The release and consolidation of debris from a glacier if the basal ice reaches its pressure melting point, as the ice moves. The moving ice aligns fragments of this debris, known as lodgement*till, in the same direction as the flow of the glacier. Ruszczyńska-Szenajch (2001) Quat. Sci. Revs 20, 4 distinguishes between hard lodgement till for deposits released from a glacier sole mainly due to friction, and soft lodgement till for sediments released from the base of a glacier due to the melting of ice in a more water-saturated subglacial environment.

Subjects: Earth Sciences and Geography.

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