glaciers

ice fringe

a very narrow ice piedmont, extending less than about 1 km inland from the sea.

ice divide

the boundary separating opposing flow directions of ice on a glacier or ice sheet.
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ice covered

land overlaid at present by a glacier is said to be covered; the alternative term glacierized has not found general favour.
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ice core

a core sample drilled from the accumulation of snow and ice over many years that have recrystallized and have trapped air bubbles from previous time periods, the composition of which can be used to reconstruct past climates and climate change; typically removed from an ice sheet (Antarctica and Greenland) or from high mountain glaciers elsewhere.

ice

the solid crystalline form of water.

ice cave

a natural bedrock cave that contains year-round ice.

Photograph of the Great Hall of Scarisoara Ice Cave in Romania

This photograph shows a 22-meter thick ice block along with ice stalactites and stalagmites in the Great Hall of Scarisoara Ice Cave, Romania.  (Photograph courtesy Aurel Persoiu)

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ice cap

a dome-shaped mass of glacier ice that spreads out in all directions; an ice cap is usually larger than an icefield but less than 50,000 square-kilometers (12 million acres).
Ellesmere Island, Canada
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ice apron

a mass of ice adhering to a mountainside.
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horn

a peak or pinnacle thinned and eroded by three or more glacial cirques.
The Matterhorn in Switzerland was carved away by glacial erosion. (Photo courtesy of the World Data Center for Glaciology, Boulder, CO.)
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headwall

a steep cliff, usually the uppermost part of a cirque.
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