M'Clintock Ice Shelf
Encyclopedia
The M'Clintock Ice Shelf was a Canadian ice shelf attached to northern Ellesmere Island
Ellesmere Island
Ellesmere Island is part of the Qikiqtaaluk Region of the Canadian territory of Nunavut. Lying within the Canadian Arctic Archipelago, it is considered part of the Queen Elizabeth Islands, with Cape Columbia being the most northerly point of land in Canada...

. By 1961/62, its connection was tenuous. Most of the shelf broke away during the period of 1963 through 1965 with the remainder (10 km2 lodged at Borup Point) breaking off in 1966. Subsequently, multi year landfast sea ice
Fast ice
Fast ice is sea ice that has frozen along coasts along the shoals, or to the sea floor over shallow parts of the continental shelf, and extends out from land into sea. In Antarctica, fast ice may also extend between grounded icebergs...

, containing ice shelf fragments, has covered the M’Clintock Inlet mouth.
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