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[[File:ECRange.jpg|thumb|300px|left]]
[[File:Wesley LeMasurier.png|250px|left]]
The '''[[Executive Committee Range]]''' is a mountain range consisting of five major volcanoes, which trends north-south for 80 km (50 mi) along the 126th meridian west, in [[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 range was discovered on 15 December 1940 by the United States Antarctic Service expedition on a reconnaissance flight. It was named for the [[Antarctica|Antarctic]] Service Executive Committee.
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.


Individual mountains (e.g. [[Mount Hampton]], [[Mount Waesche]]) are named in honor of members of the committee, except for [[Mount Sidley]], the most imposing mountain in the range, which was discovered and named by [[Richard E. Byrd|Rear Admiral Byrd]] in 1934. The entire range was mapped in detail by USGS from surveys and [[U.S. Navy]] aerial photography, 1958-60.
'''([[Wesley E. LeMasurier|Full Article...]])'''
 
'''([[Executive Committee Range|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.

(Full Article...)