Constant Prévost

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Constant Prévost.

Louis-Constant Prévost (4 June 1787 14 August 1856) was a French geologist.

France Republic in Europe with several non-European regions

France, officially the French Republic, is a country whose territory consists of metropolitan France in Western Europe and several overseas regions and territories. The metropolitan area of France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. It is bordered by Belgium, Luxembourg and Germany to the northeast, Switzerland and Italy to the east, and Andorra and Spain to the south. The overseas territories include French Guiana in South America and several islands in the Atlantic, Pacific and Indian oceans. The country's 18 integral regions span a combined area of 643,801 square kilometres (248,573 sq mi) and a total population of 67.02 million. France is a unitary semi-presidential republic with its capital in Paris, the country's largest city and main cultural and commercial centre. Other major urban areas include Lyon, Marseille, Toulouse, Bordeaux, Lille and Nice.

Geologist Scientist who studies geology

A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, although backgrounds in physics, chemistry, biology, and other sciences are also useful. Field work is an important component of geology, although many subdisciplines incorporate laboratory work.


Early life and education

Prévost was born in Paris to Louis Prévost, a tax farmer, receiver of the rentes of Paris. He was educated there at the Central Schools, where, inspired by the lectures of Georges Cuvier, his particular mentor Alexandre Brongniart, and André Marie Constant Duméril, he determined to devote himself to natural science. He took his degree in Letters and Sciences in 1811, and for a time pursued the study of medicine and anatomy.

Georges Cuvier French naturalist, zoologist and paleontologist

Jean Léopold Nicolas Frédéric, Baron Cuvier, known as Georges Cuvier, was a French naturalist and zoologist, sometimes referred to as the "founding father of paleontology". Cuvier was a major figure in natural sciences research in the early 19th century and was instrumental in establishing the fields of comparative anatomy and paleontology through his work in comparing living animals with fossils.

Alexandre Brongniart French chemist, mineralogist, and zoologist (1770–1847)

Alexandre Brongniart was a French chemist, mineralogist, and zoologist, who collaborated with Georges Cuvier on a study of the geology of the region around Paris.

André Marie Constant Duméril French zoologist

André Marie Constant Duméril was a French zoologist. He was professor of anatomy at the Muséum national d'histoire naturelle from 1801 to 1812, when he became professor of herpetology and ichthyology. His son Auguste Duméril was also a zoologist.


Mainly through the influence of Brongniart he turned his attention to geology. During the years 1816-1819 he took advantage of the necessity of accompanying his associate Philippe de Girard, who was seeking out a site for establishing a textile mill near Vienna, by making a special study of the Viennese Basin, where he pointed out for the first time the presence of Tertiary strata like those of the Paris Basin, but which included a series of later date. His next work (1821) was an essay on the geology of parts of Normandy, with special reference to the "Secondary"or Mesozoic strata, which he compared with those of southern England; in this he had the collaboration of Charles Lyell.

Geology The study of the composition, structure, physical properties, and history of Earths components, and the processes by which they are shaped.

Geology is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time. Geology can also include the study of the solid features of any terrestrial planet or natural satellite such as Mars or the Moon. Modern geology significantly overlaps all other earth sciences, including hydrology and the atmospheric sciences, and so is treated as one major aspect of integrated earth system science and planetary science.

Tertiary is a widely used, but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start of the Cenozoic Era, and extended to the beginning of the Quaternary glaciation at the end of the Pliocene Epoch. The time span covered by the Tertiary has no exact equivalent in the current geologic time system, but it is essentially the merged Paleogene and Neogene periods, which are informally called the Lower Tertiary and the Upper Tertiary, respectively.

Paris Basin territory

The Paris Basin is one of the major geological regions of France having developed since the Triassic on a basement formed by the Variscan orogeny. The sedimentary basin is a large sag in the craton, bordered by the Armorican Massif to the west, the Ardennes-Brabant axis to the north, the Massif des Vosges to the east, and the Massif Central to the south.

From 1821-1829 he was professor of geology at the Athenaeum at Paris, [1] and he took a leading part with Ami Boue, Gérard Paul Deshayes and Jules Desnoyers in the founding of the Société géologique de France (1830). In 1831 he became assistant professor and afterwards honorary professor of geology to the faculty of sciences of the Sorbonne. He was on hand with an artist to witness the undersea volcano that produced Ferdinandea (now Graham Bank) off the south coast of Sicily that July; he named it Île Julia, for its July appearance, and reported in the Bulletin de la Société Géologique de France [2] In 1848 he was elected to his late mentor Brogniart's seat in the Académie des sciences

Gérard Paul Deshayes was a French geologist and conchologist.

Jules Pierre François Stanislaus Desnoyers was a French geologist and archaeologist.

The Société géologique de France (SGF) is a French learned society founded on 17 March 1830. As of 2006, it counts 1,200 members.

Having studied the volcanoes of Italy and Auvergne, he opposed the views of Christian Leopold von Buch regarding craters of elevation, maintaining that the cones were due to the material successively erupted. Like Lyell he advocated a study of the slow and incessant forces in action at present, in order to illustrate the past, the principle in geology called uniformitarianism, discounting catastrophic events. One of his more important memoirs was De la Chronologie des terrains et du synchronisme des formations (1845), in which he expounded the principle of the synchronicity of successive stages of igneous and sedimentary deposition across wide terrains. His most general titles were Documents pour l'histoire des terrains tertiaires (Paris, 1827) and his Traité de géographie physique co-authored with E. Bassano (Paris, 1836).

Volcano A rupture in the crust of a planetary-mass object that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.

Italy European country

Italy, officially the Italian Republic, is a European country consisting of a peninsula delimited by the Alps and surrounded by several islands. Italy is located in Southern Europe, and it is sometimes considered as part of Western Europe. The country covers a total area of 301,340 km2 (116,350 sq mi) and shares land borders with France, Switzerland, Austria, Slovenia, and the enclaved microstates of Vatican City and San Marino. Italy has a territorial exclave in Switzerland (Campione) and a maritime exclave in the Tunisian Sea (Lampedusa). With around 60 million inhabitants, Italy is the fourth-most populous member state of the European Union.

Christian Leopold von Buch German geologist

Christian Leopold von Buch was a German geologist and paleontologist born in Stolpe an der Oder and is remembered as one of the most important contributors to geology in the first half of the nineteenth century. His scientific interest was devoted to a broad spectrum of geological topics: volcanism, petrology, fossils, stratigraphy and mountain formation. His most remembered accomplishment is the scientific definition of the Jurassic system.


  1. Annales de la Société géologique du Nord. vol. 25. 1896. p. 11.
  2. "Notes sur l’ile Julia pour servir a l’histoire de la formation des montagnes volcaniques" in Mémoires de la Soc. Géol. de France, 1835 ("L’exploration de île Julia" Archived 2006-05-01 at the Wayback Machine and Geological Society, "From out the azure main" 31 January 2003 Archived 20 April 2006 at the Wayback Machine )

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