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Vinson Massif
Vinson Massif () is a large mountain massif that is long and wide and lies within the Sentinel Range of the Ellsworth Mountains. It overlooks the Ronne Ice Shelf near the base of the Antarctic Peninsula. The massif is located about from the South Pole. Vinson Massif was discovered in January 1958 by U.S. Navy aircraft. In 1961, the Vinson Massif was named by USACAN, for Carl G. Vinson, Georgia congressman for his support for Antarctic exploration. On Nov. 1, 2006, USACAN declared Mount Vinson and Vinson Massif to be separate entities.〔〔Stewart, J. (2011) ''Antarctic An Encyclopedia'' McFarland & Company Inc, New York. 1776 pp. ISBN 9780786435906.〕
Mount Vinson is the highest peak in Antarctica, at . It lies in the north part of Vinson Massif’s summit plateau in the south portion of the main ridge of the Sentinel Range about north of Hollister Peak.〔 It was first climbed in 1966. An expedition in 2001 was the first to climb via the Eastern route, and also took GPS measurements of the height of the peak.〔 As of February 2010, 1,400 climbers have attempted to reach the top of Mount Vinson.〔(【引用サイトリンク】title=Vinson FAQ )〕
==Geography==
The Vinson Massif extends between Goodge Col and Branscomb Glacier to the northwest, Nimitz Glacier and Gildea Glacier to the southwest and south, Dater Glacier and its tributary Hinkley Glacier to the east. The southeastern part of the massif ends at Hammer Col, which joins it to the Craddock Massif, of which the highest point is Mount Rutford (). The massif comprises both the high central Vinson Plateau with its few peaks rising to over , and several side ridges mostly trending southwest or northeast from the plateau.
The current height () of Mount Vinson was measured by a GPS survey that was conducted by the 2004 Omega Foundation team comprising Damien Gildea of Australia (leader) and Rodrigo Fica and Camilo Rada of Chile.〔 Since 1998 and continuing through 2007, the Omega Foundation has placed a GPS receiver on the summit for a suitable period of time to obtain accurate satellite readings.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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