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Ice caps

LC control 85063979
Topical headingIce caps
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Variant(s)Carapaces, Ice
Ice carapaces
See alsoGlaciers
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Found inGloss. geol. (ice cap: a dome-shaped or platelike cover of perennial ice and snow, covering the summit area of a mountain mass so that no peaks emerge through it, or covering a flat landmass such as an Arctic island; spreading due to its own weight outwards in all directions; and having an area of less than 50,000 sq km. An ice cap is considerably smaller than an ice sheet. Non-preferred syn.: ice carapace. Also spelled: icecap)
Concise Ox. dict. earth sciences, 1990 (ice-cap: Ice mass less than 50,000 sq km in area, but large enough to submerge the underlying topography and whose flow behaviour is a consequence of its size and shape. It consists of a central ice dome together with outlet glaciers radiating from the periphery.)