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A nunatak (from Inuit nunataq) is the summit or ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain or ridge. They often form natural pyramidal peaks .
Boreas Nunatak (coordinates: 71°18′S 3°57′W) is a 220-metre-high (720 ft) nunatak, nearly 1 mile (1.6 km) southwest of Passat Nunatak at the mouth of Schytt Glacier in Queen Maud Land. It was discovered by the Third German Antarctic Expedition (1938–1939), led by Capt. Alfred Ritscher , and named after Boreas , one of the Dornier flying ...
A nunatak is a type of glacial refugium located on the snow-free, exposed peaks of mountains, which lie above the ice sheet during glaciations. [3] The identification of ‘diversity hotspots’ in areas that should have been migration regions during major glacial episodes is evidence for nunatak glacial refugia. [ 14 ]
The Rambo Nunataks were mapped by United States Geological Survey (USGS) from surveys and United States Navy air photos, 1956–66. They were named by the United States Advisory Committee on Antarctic Names (US-ACAN) for William L. Rambo, geophysicist in the Pensacola Mountains, 1965–66.
A nunatak rising to about 1,500 metres (4,900 ft) high, 1.5 nautical miles (2.8 km; 1.7 mi) north-northeast of Schmutzler Nunatak in the southeast end of the Grossman Nunataks. Mapped by USGS from surveys and United States Navy aerial photographs, 1961-68, and Landsat imagery, 1973-74.
The Seal Nunataks volcanic group contains at least sixteen volcanic cones, [4] the largest of which is 368 metres (1,207 ft) high Murdoch Nunatak. [1] From north to south they are Lindenberg island, Larsen Nunatak, Evensen Nunatak , Dallmann and Murdoch Nunatak, Akerlundh, Bruce and Bull Nunatak , Donald, Pollux and Christensen Nunatak ...
An isolated, ridgelike outcropping of rocks about 4 nautical miles (7.4 km; 4.6 mi) long, standing 15 nautical miles (28 km; 17 mi) south of Mount Weihaupt in the south extremity of the Outback Nunataks. Named by US-ACAN for Karl R. Johannessen, meteorologist at McMurdo Station, 1967-68. [31]
Svarthamaren Mountain is a prominent ice-free mountain or large nunatak on the east side of the mouth of Vestreskorve Glacier in the Muhlig-Hofmann Mountains of Queen Maud Land, Antarctica. It was mapped from surveys and aerial photographs by the Norwegian Antarctic Expedition (1956–60) and named Svarthamaren ("black cliff").