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[[File:Westarctica Map w s pole.jpg|thumb|300px|left]]
[[File:Wesley LeMasurier.png|250px|left]]
The '''[[South Pole]]''' is one of the two points where the Earth's axis of rotation intersects its surface. It is the southernmost point on the surface of the Earth and lies in [[Antarctica]] on the opposite side of the Earth from the North Pole. The South Pole is both the southernmost and easternmost point of [[Westarctica]].
'''[[Wesley E. LeMasurier]]''' is an igneous petrologist/volcanologist who specializes in the study of Cenozoic volcanoes in the [[Marie Byrd Land]] region of [[Antarctica]]. He was responsible for geological research around many of [[Westarctica]]'s volcanic mountains. [[Mount LeMasurier]] was named in his honor.


The geographic coordinates of the South Pole are usually given simply as 90°S, since its longitude is geometrically undefined and irrelevant. When a longitude is desired, it may be given as 0°. At the South Pole, all directions face north. For this reason, directions at the Pole are given relative to "grid north", which points northwards along the prime meridian. Along tight latitude circles, clockwise is east, and counterclockwise is west, opposite to the North Pole.
Dr. LeMasurier's work includes studying the origin and evolution of Cenozoic volcanic rocks, the nature of the tectonic environment of volcanism, and the volcanic record of glacial history. In 1990, after conducting a survey of [[Mount Berlin]], he declared the volcano to be "potentially active." Later, in 1994, during field work around [[Mount Siple]], Dr. LeMasurier knocked off a piece of rock from the mountain and sent it to Ruth Siple, the widow of [[Paul A. Siple]], for whom the mountain was named.


The Geographic South Pole is located on the continent of [[Antarctica]] (although this has not been the case for all of Earth's history because of continental drift). It sits atop a featureless, barren, windswept and icy plateau at an altitude of 2,835 meters (9,301 ft) above sea level, and is located about 1,300 km (800 mi) from the nearest open sea at [[Bay of Whales]]. The ice is estimated to be about 2,700 meters (9,000 ft) thick at the Pole, so the land surface under the ice sheet is actually near sea level.
'''([[Wesley E. LeMasurier|Full Article...]])'''
'''([[South Pole|Full Article...]])'''

Latest revision as of 16:11, 17 October 2025

Wesley LeMasurier.png

Wesley E. LeMasurier is an igneous petrologist/volcanologist who specializes in the study of Cenozoic volcanoes in the Marie Byrd Land region of Antarctica. He was responsible for geological research around many of Westarctica's volcanic mountains. Mount LeMasurier was named in his honor.

Dr. LeMasurier's work includes studying the origin and evolution of Cenozoic volcanic rocks, the nature of the tectonic environment of volcanism, and the volcanic record of glacial history. In 1990, after conducting a survey of Mount Berlin, he declared the volcano to be "potentially active." Later, in 1994, during field work around Mount Siple, Dr. LeMasurier knocked off a piece of rock from the mountain and sent it to Ruth Siple, the widow of Paul A. Siple, for whom the mountain was named.

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