tide-crack

He drove with his habitual caution, sounding more than one suspicious place with the axe, and at last came to a long tide-crack, through which the open water showed clear, and which seemed to divide the floe as far as the eye could reach.

Adrift in the Ice-Fields Charles W. Hall

But we pulled along the cape, over the tide-crack, up the bank to the very door of the hut without a sound.

The Worst Journey in the World Antarctic 1910-1913 Apsley Cherry-Garrard 1922

They only saw two small crevasses on the way, but Khan Sahib got into the tide-crack at the edge of the Barrier, and had to be hauled out with a rope.

The Worst Journey in the World Antarctic 1910-1913 Apsley Cherry-Garrard 1922

"I'll soon get used to him," he said one day when Victor had just deposited him in the tide-crack, "to say nothing of his getting used to me," he added in a more subdued voice.

The Worst Journey in the World Antarctic 1910-1913 Apsley Cherry-Garrard 1922

Avoiding a few crevasses on the drop to sea-level on December 10, the sledge was manoeuvred over a tide-crack between glacier and sea-ice.

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920

Adelie penguins waddled about the tide-crack over which we crossed to examine the rock, which was of coarse-grained granite, presenting great, vertical faces.

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920

One stumbled over the tide-crack and up on to the much trodden snow which covered the Cape Evans's beach.

South with Scott Edward Ratcliffe Garth Russell Evans Mountevans 1918

Captain agreed that she could be safely worked considerably closer to the shore, inside of the tide-crack possibly; and the _Roosevelt_ was made fast to the ice-foot of the land, with a very considerable distance between her and open water.

A Negro Explorer at the North Pole Matthew A. Henson 1888