Maurice Lugeon FRS(For) H

FRSE Fellowship of the Royal Society of Edinburgh (FRSE) is an award granted to individuals that the Royal Society of Edinburgh, Scotland's national academy of science and letters, judged to be "eminently distinguished in their subject". This soci ...

FGS (10 July 1870 – 23 October 1953) 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 Internation ...

geologist, and the pioneer of

nappe In geology, a nappe or thrust sheet is a large sheetlike body of rock (geology), rock that has been moved more than or above a thrust fault from its original position. Nappes form in compressional tectonic settings like continental collision z ...

tectonics. He was a pupil of

Eugène Renevier Eugène Renevier (26 March 18314 May 1906) Swiss geologist, was born at Lausanne, Switzerland, as a descendant of a noble family. After about three years of study at the polytechnical school of Stuttgart, Renevier in 1851 went to Geneva to study ...

. Named for Maurice Lugeon, the lugeon is a measure of transmissivity in rocks, determined by pressurized injection of water through a bore hole driven through the rock. One Lugeon (Lu) is equivalent to one litre of water per minute, injected into 1 metre of borehole at an injection pressure of 10 atmospheres.

Life

He was born in

Poissy Poissy () is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the western suburbs of Paris, from the centre of Paris. Inhabitants are called ''Pisciacais'' in French. Poissy is one of ...

near

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. S ...

on 10 July 1870. His family moved to

Lausanne , neighboring_municipalities= Bottens, Bretigny-sur-Morrens, Chavannes-près-Renens, Cheseaux-sur-Lausanne, Crissier, Cugy, Écublens, Épalinges, Évian-les-Bains (FR-74), Froideville, Jouxtens-Mézery, Le Mont-sur-Lausanne, Lugrin (FR-74), ...

in Switzerland in 1876. From the age of 15 he showed a strong interest in

geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...

. He spent most of his academic life at the

University of Lausanne The University of Lausanne (UNIL; french: links=no, Université de Lausanne) in Lausanne, Switzerland was founded in 1537 as a school of Protestant theology, before being made a university in 1890. The university is the second oldest in Switzer ...

becoming Professor of Geology in 1906. He retired in 1940. He became an expert on dam locations and was consulted widely on this. He died in

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

on 23 October 1953.

Publications

*''Dams and Geology'' (1933)

Family

He was married to Ida Welti.

References

External links

* {{DEFAULTSORT:Lugeon, Maurice 1870 births 1953 deaths 20th-century Swiss geologists Wollaston Medal winners Foreign Members of the Royal Society Gustav-Steinmann-Medaille winners Members of the Lwów Scientific Society