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The Ellsworth Mountains are the highest mountain ranges in Antarctica, forming a 350 km (217 mi) long and 48 km (30 mi) wide chain of mountains in a north to south configuration on the western margin of the Ronne Ice Shelf in Marie Byrd Land. They are bisected by Minnesota Glacier to form the Sentinel Range to the north and the Heritage Range to the south. The former is by far the higher and more spectacular with Mount Vinson constituting the highest point on the continent. The mountains are located within the Chilean Antarctic territorial claim but outside of the Argentinian and British ones.
Thurston Island is an ice-covered, glacially dissected island, 215 km (134 mi) long, 90 km (56 mi) wide and 15,700 km2 (6,062 sq mi) in area, lying a short way off the northwest end of Ellsworth Land, Antarctica. It is the third-largest island of Antarctica, after Alexander Island and Berkner Island.
The Ohio Range is a mountain range in the Transantarctic Mountains of Antarctica. It is about 48 km (30 mi) long and 16 km (10 mi) wide, extending WSW-ENE from Eldridge Peak to Mirsky Ledge. The range forms the northeast end of the Horlick Mountains and consists primarily of a large snow-topped plateau with steep northern cliffs and several flat-topped ridges and mountains. The highest point is the summit of Mount Schopf.
Minnesota Glacier is a broad glacier, about 40 nautical miles long and 5 nautical miles wide, flowing east through the Ellsworth Mountains in Antarctica, separating the Sentinel Range and the Heritage Range. It is nourished by ice from the plateau west of the mountains and by Nimitz Glacier and Splettstoesser Glacier, and merges into the larger Rutford Ice Stream at the eastern margin of the Ellsworth Mountains.
The Heritage Range is a major mountain range, 160 km (99 mi) long and 48 km (30 mi) wide, situated southward of Minnesota Glacier and forming the southern half of the Ellsworth Mountains in Antarctica. The range is complex, consisting of scattered ridges and peaks of moderate height, escarpments, hills and nunataks, with the various units of relief set off by numerous intervening glaciers.
The Usarp Mountains are a major Antarctic mountain range, lying west of the Rennick Glacier and trending north to south for about 190 kilometres (118 mi). The feature is bounded to the north by Pryor Glacier and the Wilson Hills.
Rutford Ice Stream is a major Antarctic ice stream, about 290 kilometres (180 mi) long and over 24 kilometres (15 mi) wide, which drains southeastward between the Sentinel Range, Ellsworth Mountains and Fletcher Ice Rise into the southwest part of Ronne Ice Shelf. Named by US-ACAN for geologist Robert Hoxie Rutford, a member of several USARP expeditions to Antarctica; leader of the University of Minnesota Ellsworth Mountains Party, 1963-1964. Rutford served as Director of the Division of Polar Programs, National Science Foundation, 1975-1977.
Wilson Nunataks is an irregular string of nunataks about 8 nautical miles (15 km) long, lying between the Douglas Peaks and the head of Hercules Inlet in the Heritage Range, Ellsworth Mountains. Named by the University of Minnesota Geological Party to these mountains, 1963–64, for Chief Warrant Officer Kenneth Wilson, pilot with the 62nd Transportation Detachment which assisted the party.
The Anderson Massif is a prominent ice-covered massif about 10 nautical miles (20 km) across and rising to a height of 2,190 metres (7,190 ft), located at the junction of Splettstoesser Glacier and Minnesota Glacier in the Heritage Range of the Ellsworth Mountains, Antarctica. It was named by the Advisory Committee on Antarctic Names for John J. Anderson, a geologist who was field leader of the University of Minnesota Ellsworth Mountains Party, 1961–62.
The Batterbee Mountains are a group of prominent mountains rising to 2,200 metres (7,200 ft), which forms part of the dissected edge of Dyer Plateau overlooking George VI Sound, on the west coast of Palmer Land. First seen and photographed from the air by Lincoln Ellsworth on 23 November 1935, they were charted from the ground in October 1936 by the British Graham Land Expedition (BGLE) under John Rymill, and named after Sir Harry Batterbee (1880–1976), Assistant Under-Secretary of State, Dominions Office, 1930–38, and Chairman of the Polar Committee in 1934, who gave help to the expedition.
Constellation Inlet is an ice-filled inlet, 30 nautical miles (60 km) long and 10 nautical miles (20 km) wide, between the Dott Ice Rise and the Skytrain Ice Rise at the southwest margin of the Ronne Ice Shelf. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1961–66, and named by the Advisory Committee on Antarctic Names for the Lockheed Super Constellation aircraft, C-121J. Equipped only with wheeled tricycle landing gear, it was for many years the principal carrier of personnel from the U.S. to New Zealand and thence to the ice runway near McMurdo Station. In addition to its role of hauling men and supplies, the "Connie" flew many hours of aerial photography over Antarctica.
Nimbus Hills is a rugged line of hills and peaks about 14 nautical miles (26 km) long, forming the southeast part of Pioneer Heights in the Heritage Range, Ellsworth Mountains. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1961–66. Named by Advisory Committee on Antarctic Names (US-ACAN) after the National Aeronautics and Space Administration weather satellite, Nimbus, which took photographs of Antarctica from approximately 500 nautical miles (900 km) above earth on September 13, 1964.
Weaver Nunataks is a cluster of nunataks just south of Meyer Hills in the Heritage Range. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961–66. Named by Advisory Committee on Antarctic Names (US-ACAN) for William E. Weaver, United States Antarctic Research Program (USARP) meteorologist at Ellsworth Station, 1962.
Johnson Neck is a relatively low, ice-drowned neck of land, or isthmus, which joins the Dott Ice Rise to the east side of the Pioneer Heights in the Heritage Range of the Ellsworth Mountains, Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1961–66, and was named by the Advisory Committee on Antarctic Names for Douglas J. Johnson, a meteorologist at Byrd Station in 1965.
Gowan Glacier is a glacier about 15 nautical miles long in the Heritage Range of the Ellsworth Mountains of Antarctica, flowing north from the vicinity of Cunningham Peak in the Founders Escarpment to enter Minnesota Glacier just east of Welcome Nunatak. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1961–66, and was named by the Advisory Committee on Antarctic Names for Lieutenant Jimmy L. Gowan, U.S. Navy Medical Corps, officer in charge and doctor at Plateau Station in 1966.
The Founders Peaks are a cluster of sharp peaks and ridges located just east of Founders Escarpment and between Minnesota Glacier and Gowan Glacier, in the Heritage Range of the Ellsworth Mountains in Antarctica. The peaks were mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1961–66. The name was applied by the Advisory Committee on Antarctic Names is association with the name Heritage Range.
The Meyer Hills are a small group of hills which includes Beaudoin Peak, located between the Enterprise Hills and the head of Constellation Inlet, in the Heritage Range, Ellsworth Mountains, Antarctica. They were named by the University of Minnesota Ellsworth Mountains Party of 1962–63 for Harvey J. Meyer, a geologist with that party.
Splettstoesser Glacier is a glacier, 35 nautical miles long, draining from the plateau just south of Founders Escarpment and flowing east-northeast through the Heritage Range to the south of Founders Peaks and Anderson Massif to enter the Minnesota Glacier. Named by the University of Minnesota Ellsworth Mountains Party which explored the area in 1961-62 for John F. Splettstoesser, geologist with that party.
Thompson Nunataks are three evenly spaced nunataks which lie 4 nautical miles (7 km) south of Navigator Peak and surmount the central part of White Escarpment in the Heritage Range, Ellsworth Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961–66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Russel W. Thompson, United States Antarctic Research Program (USARP) meteorologist at Wilkes Station, 1963.
Schmidt Glacier is a glacier, 20 nautical miles long, in the Pioneer Heights of the Heritage Range, Ellsworth Mountains in Antarctica. The glacier originates near Hall Peak and drains north along the west side of Thompson Escarpment and Gross Hills to coalesce with the lower part of Splettstoesser Glacier, north of Mount Virginia. It was named by the University of Minnesota Ellsworth Mountains Party, 1961–62, for Paul G. Schmidt, geologist with the party.
References
- ↑ "Dott Ice Rise". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved 26 January 2012.
This article incorporates public domain material from "Barrett Nunataks". Geographic Names Information System . United States Geological Survey.
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