Himalia Ridge is a ridge running east–west on the north side of the
Ganymede Heights
The Ganymede Heights consist of rounded ridges with extensive rock outcrops rising to about , between Jupiter Glacier and Ablation Valley on the eastern side of Alexander Island, Antarctica. They were mapped by the Directorate of Overseas Surv ...
massif, north-east of
Jupiter Glacier
Jupiter Glacier () is a glacier on the east coast of Alexander Island, Antarctica, long and wide at its mouth, which flows east into George VI Sound to the south of Ablation Valley. It was first photographed from the air on November 23, 1935, ...
, in the east of
Alexander Island
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, Antarcti ...
,
Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...
. It was photographed from the air by the
Ronne Antarctic Research Expedition
The Ronne Antarctic Research Expedition (RARE) was an expedition from 1947–1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.
Background
Finn Ronne led the RARE which was the final privately sponsored exp ...
in 1947 and mapped from these photographs by D. Searle of the
Falkland Islands Dependencies Survey
The Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE) was an aerial survey of the Falkland Islands Dependencies
The Falkland Islands Dependencies was the constitutional arrangement from 1843 until 1985 for administering the v ...
in 1960. The ridge was named by the
UK Antarctic Place-Names Committee
The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) an ...
following
British Antarctic Survey
The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of list of global issues, global issues, and to provide an active prese ...
geological work, 1983–84, after
Himalia, a
satellite
A satellite or an artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. They have a variety of uses, including communication relay, weather forecasting, navigation ( GPS), broadcasting, scient ...
of the planet
Jupiter
Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...
, in association with Jupiter Glacier.
[Stewart, J., 2011. ''Antarctica: An Encyclopedia,'' 2nd ed. Jefferson, North Carolina and London, McFarland & Company, Inc. 1771 pp. ]
The site lies within
Antarctic Specially Protected Area
An Antarctic Specially Protected Area (ASPA) is an area on the continent of Antarctica, or on nearby islands, which is protected by scientists and several different international bodies. The protected areas were established in 1961 under the Antarc ...
(ASPA)
No.147.
Himalia Ridge is the namesake and
type locality of the
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...
Himalia Ridge Formation.
[Butterworth, P.J., Crame, J.A., Howlett, P.J. and Macdonald, D.I.M., 1988. ''Lithostratigraphy of Upper Jurassic-Lower Cretaceous strata of eastern Alexander Island, Antarctica.'' ''Cretaceous Research '', 9(3), pp.249-264.]
See also
*
Ablation Point
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 ai ...
*
Arenite Ridge
*
Belemnite Point
Belemnite Point () is the eastern extremity of a mainly ice-free, hook-shaped ridge, midway between Lamina Peak and Ablation Point and inland from George VI Sound on the east coast of Alexander Island, Antarctica. It was first photographed from t ...
*
Phobos Ridge
Phobos Ridge () is a rocky ridge of sandstones and shales forming the west side of Mars Glacier in the southeast corner of Alexander Island, Antarctica. The coast in this vicinity was first seen from the air by Lincoln Ellsworth on November 23, 19 ...
*
Polarstar Ridge
References
Ridges of Alexander Island
Antarctic Specially Protected Areas
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