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PREVOST, CONSTANT (1787-1856)

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Originally appearing in Volume V22, Page 312 of the 1911 Encyclopedia Britannica.
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PREVOST, See also:CONSTANT (1787-1856) , See also:French geologist, was See also:born in See also:Paris on the 4th of See also:June 1787, and was son of See also:Louis Prevost, See also:receiver of the rentes of that See also:city. He was educated at the Central See also:Schools, where, inspired by the lectures of G. See also:Cuvier, See also:Alexandre See also:Brongniart and A. Dumeril, he determined to devote himself to natural See also:science. He took his degree in Letters and Sciences in 1811, and for a See also:time pursued the study of See also:medicine and See also:anatomy. Mainly through the See also:influence of Brongniart he turned his See also:attention to See also:geology, and during the years 1816-1819 made a See also:special study of the See also:Vienna See also:Basin where he pointed out for the first time the presence of See also:Tertiary strata like those of the Paris Basin, but including a See also:series of later date. His next See also:work (1821) was an See also:essay on the geology of parts of See also:Normandy, with special reference to the Secondary strata, which he compared with those of See also:England. From 1821-1829 he was See also:professor of geology at the See also:Athenaeum at Paris, and he took a leading See also:part with Ami See also:Bone, G. P. See also:Deshayes and Jules See also:Desnoyers in the See also:founding of the See also:Geological Society of See also:France (183o). In 1831 he became assistant professor and after-wards honorary professor of geology to the See also:faculty of sciences. Having studied the volcanoes of See also:Italy and See also:Auvergne, he opposed the views of von See also:Buch regarding craters of See also:elevation, maintaining that the cones were due to the material successively errnpted.

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Lyell he advocated a study of the causes or forces now in See also:action in See also:order to illustrate the past. One of his more important See also:memoirs was De la Chronologie See also:des terrains et du synchronisme des formations (1845). He died in Paris on the 17th of See also:August 1856. Memoir with portrait, by J. Gosselet, See also:Ann. See also:soc. geol. du See also:nord, tome See also:xxv. 1896.

End of Article: PREVOST, CONSTANT (1787-1856)

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PREVOST, EUGENE MARCEL (1862- )