randkluftn.

1883 C. Baedeker Eastern Alps (ed. 5) 95 We next ascend steep snowy slopes to the rocks of the Dachstein, and follow the new path, which avoids the ‘Randkluft’..by a circuit to the left.

1920 H. Raeburn Mountaineering Art viii. 107 At the foot of the snow-slope, just where it eases into the glacier, runs a long chasm in the ice, the bergschrund, randkluft, or rimaye.

1958 Polar Rec. 9 91 Bergschrund, the crevasse which occurs at the head of a cirque or valley glacier and which separates the moving glacier ice from the rock wall and the ice apron attached to it. When the ice apron is absent the gap is known as a Randkluft.

1980 Arctic & Alpine Res. 12 80/2 After the snowpack became isothermal a well-defined randkluft developed between the snowpatch and the wall.

2006 M. White 50 Classic Hikes Nevada vii. 149 If you're bold enough to proceed all the way to the head of the canyon, you may notice a randkluft, a large yawning chasm..where glacial ice has separated from the neighboring rock.