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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 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
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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 Snow Nunataks (or Ashley Snow Nunataks) are a line of four widely separated nunataks on the coast of Palmer Land, Antarctica, trending east–west for 20 mi (32 km) southward of Case Island. [1] They consist of volcanic outcrops that probably represent several small subglacial volcanoes .
The Littlewood Nunataks) are a group of four lichen-covered nunataks, rising to about 250 metres (800 ft) between Schweitzer Glacier and Lerchenfeld Glacier, on the Luitpold Coast of Antarctica. The nunataks are brick red in color.
Atoll Nunataks) is a group of nunataks on the north side of Uranus Glacier, 3 miles (5 km) west of Mount Ariel, in eastern Alexander Island, AntarcticaThey were mapped from trimetrogon air photography taken by the Ronne Antarctic Research Expedition, 1947–48, and from survey by the Falkland Islands Dependencies Survey, 1948–50, and so named by the UK Antarctic Place-Names Committee ...