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Alexander Island, which is also known as Alexander I Island, Alexander I Land, Alexander Land, Alexander I Archipelago, and Zemlja Alexandra I, is the largest island of Antarctica. It lies in the Bellingshausen Sea west of Palmer Land, Antarctic Peninsula from which it is separated by Marguerite Bay and George VI Sound. The George VI Ice Shelf entirely fills George VI Sound and connects Alexander Island to Palmer Land. The island partly surrounds Wilkins Sound, which lies to its west. Alexander Island is about 390 kilometres (240 mi) long in a north–south direction, 80 kilometres (50 mi) wide in the north, and 240 kilometres (150 mi) wide in the south. Alexander Island is the second-largest uninhabited island in the world, after Devon Island.
James Ross Island is a large island off the southeast side and near the northeastern extremity of the Antarctic Peninsula, from which it is separated by Prince Gustav Channel. Rising to 1,630 metres (5,350 ft), it is irregularly shaped and extends 40 nautical miles in a north–south direction.
Mikkelsen Bay is a bay, 15 nautical miles wide at its mouth and indenting 10 nautical miles, entered between Bertrand Ice Piedmont and Cape Berteaux along the west coast of Graham Land, Antarctica.
Northeast Glacier is a steep, heavily crevassed glacier, 13 nautical miles long and 5 nautical miles wide at its mouth, which flows from McLeod Hill westward and then south-westwards into Marguerite Bay between the Debenham Islands and Roman Four Promontory, on the west coast of Graham Land, Antarctica.
Fossil Bluff is a seasonal British aircraft refuelling station located on the east coast of Alexander Island in Antarctica. In operation since 1961, its facilities provide fuel, storage, and ancillary support for British exploration and operations during the summer season, October through March. The site is adjacent to a natural, north–south travelling route along the George VI Ice Shelf.
Drygalski Glacier is a broad glacier, 18 nautical miles long which flows southeast from Herbert Plateau through a rectangular re-entrant to a point immediately north of Sentinel Nunatak on the east coast of Graham Land, Antarctica.
Ablation Point, also known as Punta Ablación, is the eastern extremity of a hook-shaped rock ridge marking the north side of the entrance to Ablation Valley, on the east coast of Alexander Island, Antarctica. It was first photographed from the air on 23 November 1935 by Lincoln Ellsworth and mapped from these photographs by W.L.G. Joerg. It was roughly surveyed in 1936 by the British Graham Land Expedition (BGLE) and resurveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS). It was named by FIDS for nearby Ablation Valley. The site lies within Antarctic Specially Protected Area (ASPA) No.147.
On the continent of Antarctica, the Aramis Range is the third range south in the Prince Charles Mountains, situated 11 miles southeast of the Porthos Range and extending for about 30 miles in a southwest–northeast direction. It was first visited in January 1957 by Australian National Antarctic Research Expeditions (ANARE) southern party led by W.G. Bewsher, who named it for a character in Alexandre Dumas' novel The Three Musketeers, the most popular book read on the southern journey.
Charcot Bay is a bay about 10 nautical miles wide between Cape Kater and Cape Kjellman along the Davis Coast of Graham Land, Antarctica.
Citadel Bastion is a rocky, flat-topped elevation at the south side of the terminus of Saturn Glacier, facing towards George VI Sound and the Rymill Coast, situated on the east side of Alexander Island, Antarctica. Its maximum elevation is about 645 m. Citadel Bastion lies next to Hodgson Lake. This mountain was 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. The name applied by the UK Antarctic Place-Names Committee because it resembles a fortified structure with a watchtower at the end of a wall.
Coal Nunatak is a flat-topped rock mass with steep cliffs facing south, standing 2 nautical miles (4 km) southwest of Corner Cliffs on the southeast corner of Alexander Island, Antarctica. Lincoln Ellsworth first noted it from the air on November 23, 1935, and mapped it from photos obtained on that flight by W.L.G. Joerg. Observed from the northwest, only the summit protrudes above the coastal ice, and it was uncertain whether this was a peak on Alexander Island or an island in George VI Sound. Its true nature was determined by the Falkland Islands Dependencies Survey (FIDS) who visited and surveyed this nunatak in 1949. So named by FIDS for exposures of thin lenses of coal occur there.
Cugnot Ice Piedmont is an ice piedmont in Trinity Peninsula, Antarctica. It is about 15 nautical miles long and between 3 and 6 nautical miles wide, extending from Russell East Glacier to Eyrie Bay and bounded on the landward side by Louis Philippe Plateau.
Grotto Glacier is a glacier on the east coast of Alexander Island, Antarctica, which flows east into George VI Sound between Belemnite Point and Ablation Point. It is 46 km (29 mi) long, 6 km (4 mi) wide where it emerges from the coastal mountains, and 13 km (8.1 mi) wide at its mouth. It was first photographed from the air on 23 November 1935, by Lincoln Ellsworth and mapped from these photographs by W.L.G. Joerg. It was roughly surveyed in 1936 by the British Graham Land Expedition and resurveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS). The glacier was so named by the FIDS because a sledge dog was rescued from a grotto-like crevasse in the glacier.
Triton Point is a rocky headland at the east end of the high ridge separating Venus Glacier and Neptune Glacier on the east coast of Alexander Island, Antarctica. Lincoln Ellsworth first observed the coast in this vicinity from the air by on 23 November 1935, and it was roughly mapped from photos obtained on that flight by W.L.G. Joerg. The British Graham Land Expedition roughly surveyed Triton Point in 1936 by the Falkland Islands Dependencies Survey more accurately defined it in 1949. The United Kingdom Antarctic Place-Names Committee named it for its association with nearby Neptune Glacier, Triton being one of the satellites of the planet Neptune, the eighth planet of the Solar System.
The Eland Mountains are a range of mountains which rise above 2,440 metres (8,010 ft) and extend about 20 nautical miles in a northeast–southwest direction along the south side of Clifford Glacier, on the east coast of Palmer Land, Antarctica.
The Ganymede Heights consist of rounded ridges with extensive rock outcrops rising to about 600 m (2,000 ft), between Jupiter Glacier and Ablation Valley on the eastern side of Alexander Island, Antarctica. They were mapped by the Directorate of Overseas Surveys from satellite imagery supplied by the US National Aeronautics and Space Administration in cooperation with the US Geological Survey. They were named by the UK Antarctic Place-Names Committee from association with Jupiter Glacier after Ganymede, one of the satellites of the planet Jupiter. The feature also lies close to the Galileo Cliffs, which were named for the moon's discoverer, Galileo Galilei (1564-1642). The site lies within Antarctic Specially Protected Area (ASPA) No.147.
Himalia Ridge is a ridge running east–west on the north side of the Ganymede Heights massif, north-east of Jupiter Glacier, in the east of Alexander Island, Antarctica. It was photographed from the air by the Ronne Antarctic Research Expedition in 1947 and mapped from these photographs by D. Searle of the Falkland Islands Dependencies Survey in 1960. The ridge was named by the UK Antarctic Place-Names Committee following British Antarctic Survey geological work, 1983–84, after Himalia, a satellite of the planet Jupiter, in association with Jupiter Glacier.
Marescot Point is a small but distinctive low rocky point projecting north from Trinity Peninsula, Antarctica, 2.5 nautical miles east of Thanaron Point.
The Terra Firma Islands are a small group of islands lying 8 nautical miles north of Cape Berteaux, off the west coast of Graham Land in West Antarctica.
Lamina Peak is a prominent pyramid-shaped peak, 1,280 metres (4,200 ft) high, surmounting a stratified ridge which curves down from Mount Edred northeastward toward George VI Sound. The peak stands 4.5 nautical miles (8 km) inland from the east coast of Alexander Island near the southern limit of the Douglas Range. It was first photographed from the air on November 23, 1935, by Lincoln Ellsworth and mapped from these photos by W.L.G. Joerg. It was roughly surveyed in 1936 by the British Graham Land Expedition and resurveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS), and was so named by the FIDS because of the marked horizontal stratification of the rocks of this peak.
References
- ↑ "Belemnite Point". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved 19 August 2023.
- ↑ Stewart, J., 2011. Antarctica: An Encyclopedia, 2nd ed. Jefferson, North Carolina and London, McFarland & Company, Inc. 1771 pp. ISBN 978-0-7864-3590-6
- ↑ Macdonald, D.I., Moncrieff, A.C. and Butterworth, P.J., 1993. Giant slide deposits from a Mesozoic fore-arc basin, Alexander Island, Antarctica.Geology, 21(11), pp.1047-1050.
- ↑ Butterworth, P., Macdonald, D., 2007. Channel-levee complexes of the Fossils Bluff Group, Antarctica, In Nilson, T., Shew, R., Steffens, G., and Studlick, J., eds, pp. 36–41, AAPG Atlas of Deepwater Outcrops.American Association of Petroleum Geologists Special Publications, 56. Tulsa, Oklahoma, SEPM. 504 pp. ISBN 978-1629810331
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