Mount Sidley
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Mount Sidley is the highest dormant volcano in Antarctica, and a member of the Volcanic Seven Summits (the highest volcanoes on each of the seven continents) with a summit elevation of Script error: No such module "convert"..[1][2] It is a massive, mainly snow-covered shield volcano, and the highest of the five volcanoes that comprise the Executive Committee Range of Marie Byrd Land. The feature is marked by a Script error: No such module "convert". caldera[3] on the southern side and stands northeast of Mount Waesche in the southern part of the range.
History
The mountain was discovered by Rear Admiral Richard E. Byrd on an airplane flight, on November 18, 1934, and named by him for Mabelle E. Sidley, the daughter of William Horlick who was a contributor to the 1933–1935 Byrd Antarctic Expedition.[4] Despite its height, the volcano's extremely remote location means that it is little known even in the mountaineering world compared to the much more accessible Mount Erebus, the second-highest Antarctic volcano which is located near the U.S. and New Zealand bases on Ross Island.
The first recorded ascent of Mount Sidley was by New Zealander Bill Atkinson on January 11, 1990, whilst working in support of a United States Antarctic Program scientific field party.[5]
See also
Notes
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References
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- Volcanic Seven Summits
- Polygenetic shield volcanoes
- Calderas of Antarctica
- Volcanoes of Marie Byrd Land
- Four-thousanders of Antarctica
- Executive Committee Range
- Pliocene shield volcanoes
- Shield volcanoes of Antarctica
- Ultra-prominent peaks of Antartica