Online Encyclopedia

AUGUSTE MICHEL LEVY (1844– )

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Originally appearing in Volume V16, Page 519 of the 1911 Encyclopedia Britannica.
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AUGUSTE

MICHEL LEVY (1844– )  , French geologist, was born in Paris on the 7th of August 1844 . He became inspector-general of mines, and director of the
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Geological Survey of France . He was distinguished for his researches on eruptive rocks, their microscopic structure and origin; and he early employed the polarizing microscope for the determination of minerals . In his many contributions to scientific
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journals he described the granulite
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group, and dealt with pegmatites, variolites, eurites, the ophites of the Pyrenees, the
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extinct volcanoes of Central France, gneisses, and the origin of crystalline schists . He wrote Structures et classification
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des roches cruptives (1889), but his more elaborate studies were carried on with F . Fouque . Together they wrote on the artificial production of felspar,
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nepheline and other minerals, and also of meteorites, and produced Mineralogie micrographique (1879) and Synthese des mineraux et des roches (1882) . Levy also collaborated with A . Lacroix in
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Les Mineraux des roches (1888) and Tableau des mineraux des roches (1889) .

End of Article: AUGUSTE MICHEL LEVY (1844– )
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