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Nunataks in Antarctica Cântaro Magro, Serra da Estrela, Portugal, formed as a nunatak during the last ice age and now exposed [1]. 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.
Nunataks, also called glacial islands, are exposed portions of ridges, mountains, or peaks not covered with ice or snow within (or at the edge of) an ice field or glacier. [1] Nunataks present readily identifiable landmark reference points in glaciers or ice caps and are often named. The term is derived from the Inuit word, nunataq.
The Seal Nunataks consist of basalt, [2] basalt which contains clinopyroxene, olivine and plagioclase. [16] Andesite and basanite have been reported as well. [17] The rocks define numerous suites, both alkali basalt, subalkaline basalts and basaltic andesites are represented. [18] Xenoliths consisting of lherzolite and spinel have been found at ...
Nunataks of the South Shetland Islands (2 C, 6 P) O. Nunataks of Oates Land (15 P) P. Nunataks of Palmer Land (1 C, 101 P) Nunataks of Princess Elizabeth Land (16 P) Q.
The Yee Nunataks) are a group of scattered nunataks, about 24 nautical miles (44 km; 28 mi) long and 12 nautical miles (22 km; 14 mi) wide, centered 35 nautical miles (65 km; 40 mi) northeast of Lyon Nunataks in Ellsworth Land, Antarctica. The nunataks rise 1,300–1,700 metres (4,300–5,600 ft) in elevation and in the four quadrants include ...
The Gronau Nunataks is a long cluster of nunataks. It is located north of the Watkins Range, beyond the large Christian IV Glacier and to the northeast of the Lindbergh Range. The Greenland Ice Sheet lies to the north and the Wager Nunataks further to the east. The Gronau Glacier is located in the western part of the mountains. The area of the ...
The Nunatak Glacier originates at the eastern end of the Adolf Hoel Glacier, south of the area of the Jakob Kjøde Bjerg nunatak. Strindberg Land lies to the east and the northeastern end of Andrée Land on its western side.
The Outback Nunataks) are a series of bare rock nunataks and mountains which are distributed over an area about 40 nautical miles (74 km; 46 mi) long by 20 nautical miles (37 km; 23 The group lies south of Emlen Peaks of the Usarp Mountains and west of Monument Nunataks and upper Rennick Glacier , adjacent to the featureless interior plateau .