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[[File:Mount-Petras.png|300px|left]]
[[File:Wesley LeMasurier.png|250px|left]]
'''[[Mount Petras]]''' is a 2865 meter high prominent mountain in the shape of a ridge in [[Westarctica]]. The mountain is located 16 kilometers southeast of Mount Flint in the [[McCuddin Mountains]].
'''[[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 ancient volcanic deposits at Mount Petras provide the oldest terrestrial evidence for [[glacier|glacial ice]] in Marie Byrd Land. The relatively high relief pre-volcanic environment is suggestive of ongoing erosion and is inconsistent with previous interpretations of a regional, low relief, early Cenozoic West Antarctic Erosion Surface.
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.


Scientists from the United States [[Antarctic]] Service Expedition (1939-1941) discovered Mount Petras during a flyover between 14 and 15 December 1940. The mountain was named in honor of Theodore Argyrios Petras (1911 - 2004), a master technical sergeant in the US Marine Corps, who served as the pilot of this flight.
'''([[Wesley E. LeMasurier|Full Article...]])'''
 
On 5 May 2015, the [[Peerage of Westarctica|peerage title]] Baroness of Petras was granted to Leila Rozumski as a gift from her mother, Jennifer.
 
'''([[Mount Petras|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...)