Ice tongue

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The Erebus Ice Tongue, coming off the Erebus Glacier from 3,800 m (12,500 ft). Mount Erebus, Ross Island, Antarctica. The ice tongue is protruding into McMurdo Sound (frozen in this image).

An ice tongue is a long and narrow sheet of ice projecting out from the coastline. An ice tongue forms when a valley glacier moves very rapidly out into the ocean or a lake.