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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.
A group of nunataks which extend over 8 nautical miles (15 km; 9.2 mi), located 15 nautical miles (28 km; 17 mi) southwest of Thomas Mountains. Discovered by the RARE, 1947–48, led by Ronne. Named by US-ACAN for Patrick Quilty, geologist with the University of Wisconsin survey party to this area, 1965-66. [19]
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 ...
The Grossman Nunataks) are a group of about a dozen nunataks in Ellsworth Land, Antarctica, rising 1,300–1,500 metres (4,300–4,900 ft) in elevation and running northwest–southeast for 18 nautical miles (33 km; 21 mi) between the Lyon Nunataks and the Sky-Hi
The nunataks were first seen and photographed from the air by Ronne Antarctic Research Expedition (RARE), 1947–48. The name derives from the United States Antarctic Research Program (USARP) project Sky-Hi, in which Camp Sky-Hi (later designated Eights Station) was set up in Ellsworth Land in November 1961 as a conjugate point station to carry on simultaneous measurements of the Earth's ...
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 ...
Like nunataks, peripheral glacial refugia exist within mountain systems; they differ in that they are located at the borders of mountain systems. [3] Evidence for peripheral refugia can be found along the borders of the Carpathian Mountains , Pyrenees , and European Alps , all of which were once glaciated mountain systems.