crevasse


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crevasse

(krəvăs`), large crack in the upper surface of a glacierglacier,
moving mass of ice that survives year to year, formed by the compacting of snow into névé and then into granular ice and set in motion outward and downward by the force of gravity and the stress of its accumulated mass.
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, formed by tension acting upon the brittle ice. Transverse crevasses occur where the grade of the glacier bed becomes suddenly steeper; longitudinal crevasses, where the glacier spreads over a wider valley or plain. Marginal crevasses are due to the strain built up when the central part moves faster than the sides.

crevasse

[krə′vas]
(geology)
An open, nearly vertical fissure in a glacier or other mass of land ice or the earth, especially after earthquakes.

crevasse

1. a deep crack or fissure, esp in the ice of a glacier
2. US a break in a river embankment
References in periodicals archive ?
On two occasions, one of us falls partly into a crevasse, but we are roped together at all times in groups of three, 15 meters apart, so no one is lost to the depth of the ice.
They, however, managed to successfully navigate the five crevasses on their way up and down the mountain.
But it was still slow work, weaving our way through the crevasses --one of us with a painfully swollen foot--until we reached smoother ground, passing Worsley's 'great dome-shaped nunatak' and crossing to the Fortuna Glacier, where we camped for a second time.
From the chopper I had seen the two men in snowsuits, guns held at the ready, standing at the edge of what appeared to be a ridge or a crevasse.
Rescue climbers had previously attempted to find Brown's body but could not traverse far enough down the crevasse.
Four Japanese climbers swept into a crevasse by an avalanche are among 120 people to have died on Alaska's Mount McKinley, and 44 the number of bodies remaining on North America's tallest mountain.
On Sunday, searches were suspended for the two men and two women on Denali, in Alaska, after rescuers believed they could have been swept into a crevasse and buried under compacted snow and ice.
The climber is crossing a crevasse on Everest's famous ice-fall, the Khumbu Glacier approach to that mountain.
But, if I were to guess as to the way the Iceman came to his end, I would say he fell into a crevasse and impaled himself on his own arrow.
CAST: James Franco, Kate Mara, Amber Tamblyn PLOT: This is based on the extraordinary true story of extreme sports fan Aron Ralston, who, when hiking in the Utah desert, falls down a crevasse and is trapped by a boulder landing on his right arm.