Émile Argand (6 January 1879 – 14 September 1940) was a

Swiss Swiss may refer to: * the adjectival form of Switzerland * Swiss people Places * Swiss, Missouri *Swiss, North Carolina * Swiss, West Virginia * Swiss, Wisconsin Other uses * Swiss-system tournament, in various games and sports *Swiss Internati ...

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, alt ...

. He was born in Eaux-Vives near

Geneva Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situ ...

. He attended vocational school in Geneva then worked as a draftsman. He studied anatomy in

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...

, but gave up medicine to pursue his interest in geology. He was an early proponent of

Alfred Wegener Alfred Lothar Wegener (; ; 1 November 1880 – November 1930) was a German climatologist, geologist, geophysicist, meteorologist, and polar researcher. During his lifetime he was primarily known for his achievements in meteorology and ...

's theory of

continental drift Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The idea of continental drift has been subsumed into the science of pla ...

, viewing plate tectonics and continental collisions as the best explanation for the formation of the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, ...

. He is also noted for his application of the theory of

tectonic Tectonics (; ) are the processes that control the structure and properties of the Earth's crust and its evolution through time. These include the processes of mountain building, the growth and behavior of the strong, old cores of continents ...

s to the continent of

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an ...

. He founded the Geological Institute of Neuchâtel, Switzerland.

Awards and honors

* 1913 Spendiarov Prize * 1926 Marcel Benoist Prize * A region of

wrinkle ridge A wrinkle ridge is a type of feature commonly found on lunar maria, or basalt plains. These features are low, sinuous ridges formed on the mare surface that can extend for up to several hundred kilometers. Wrinkle ridges are tectonic features c ...

s on the

Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width ...

was named '' Dorsa Argand'' after him. * There is a road named "Rue Emile-Argand" at the

University of Neuchâtel The University of Neuchâtel (UniNE) is a French-speaking university based in Neuchâtel, Switzerland. The university has four faculties (schools) and more than a dozen institutes, including arts and human sciences, natural sciences, law and ec ...

. * Argandite, a mineral.

Bibliography

Argand, E. (1924), "La Tectonique de l'Asie", Extrait du Compte-rendu du XIIIe Congrès géologique international 1922 (Liège), 1(5), pp. 171-372
* Argand, E. (1916), "Sur l'arc des Alps Occidentales", Eclogae geologicae Helveticae (Lausanne), 14, pp. 145–192. * Argand, E. (1911), "Les nappes de recouvrement des Alpes Pennines et leur prolongement structuraux", Mat. carte géol. Suisse, N.S., XXXI livr. *

References

* * * *

External links

Historical perspective on the Alps
including illustrations by Argand.
Necrology (in French)
in: Verhandlungen der Schweizerischen Naturforschenden Gesellschaft 120 (1940), 379-403. 1879 births 1940 deaths 20th-century Swiss geologists Tectonicists {{geologist-stub