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Northern Ellesmere Island is a polar desert with a mean annual coastal temperature of −18°C and annual precipitation of ca. 15 cm. Modern glaciers are predominantly frozen-bed, with sediment concentrated in debris-rich basal zones. This sediment cannot be entrained by the predominantly supraglacial stream systems, a condition accentuated where glaciers calve into the sea. Emergent early Holocene glacial marine sediments deposited within Clements Markham Inlet form a tripartite sequence of interbedded diamictons and silts; gravels and sands; and sands and silts. These lithofacies are interpreted as, respectively: debris flow and suspension settling sediments; subaquatic outwash fan channel and overbank sediments;...

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