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Boris Choubert was born on 1906 in Saint Petersburg, Russia, is a Russian-French geologist (1906–1983). Discover Boris Choubert's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 77 years old?

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Age 77 years old
Zodiac Sign
Born 1906, 1906
Birthday 1906
Birthplace Saint Petersburg, Russia
Date of death 3 December, 1983
Died Place Nice, France
Nationality Russia

We recommend you to check the complete list of Famous People born on 1906. He is a member of famous with the age 77 years old group.

Boris Choubert Height, Weight & Measurements

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Boris Choubert Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Boris Choubert worth at the age of 77 years old? Boris Choubert’s income source is mostly from being a successful . He is from Russia. We have estimated Boris Choubert's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
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1596

Evoked several times between 1596 and 1908, the continental drift concept was chiefly developed and advocated by the German meteorologist Alfred Wegener between 1912 et 1929, on the basis of different criteria, morphological (the nesting of continent shapes, like the Horn of Brazil and the Gulf of Guinea), stratigraphic (stratigraphic continuity between Africa and South America, and complementarity of Paleozoic cratons), paleoclimatic (similarity of Paleozoic striated pebbles of South Africa and South America) and paleontological (same fauna and flora during the Paleozoic era).

Wegener's studies obtained but limited success among the geological and geophysical community, for a number of reasons: in part because for every isolated argument one could appeal to coincidence or find some other explanation, but above all because the mechanisms that Wegener invoked as driving drift did not hold water.

Boris Choubert was aware of studies by the South-African geologist Alexander du Toit, who had evidenced the great similarity of ancient South-American, West-African and South-African formations and was a supporter of Wegener's theory.

Working on rocks from Gabon, Congo and Brazil, Boris Choubert confirmed the findings of du Toit and in turn became a fervent supporter of continental drift.

1906

Of Russian origin, Boris Schuberth, better known as Choubert was born in Saint Petersburg in 1906.

1917

He left Russia for Finland in 1917, then for France in 1927.

He studied geology at La Sorbonne for two years, then at the Institut de géologie appliquée (now École nationale supérieure de géologie) in Nancy, where he received his diploma of engineer-geologist.

1933

In 1933 he was employed by the Government of Gabon (then a subdivision of French Equatorial Africa).

1935

Boris Choubert published in 1935 a reconstruction of the relative positions of America, Africa and Europe before the Triassic.

This reconstitution was much more precise than the previous proposals by Wegener and du Toit, essentially because Choubert, instead of using coastlines, based his reconstitution on the 1000-m isobath, a much better representation of the limits of continental blocks.

That excellent fit was more convincing a proof of continental drift than previous attempts, which left a large gap between Africa and South America.

For his reconstruction Boris Choubert dared for the first time the idea that the Iberian Peninsula suffered, after the Triassic, a rotation with respect to the rest of Europe.

He also swept the Mid-Atlantic Ridge problem by explaining that it formed posteriorly to Atlantic Ocean opening.

The Caribbean Sea does not fit as well as the rest but, as it is known today, it was seriously affected by Cenozoic tectonics.

Boris Choubert drew the theory farther than Wegener, who had only considered post-Triassic continental drift.

By reconstructing the Paleozoic mountain ranges across the Atlantic (Caledonian range, Hercynian range et Appalachians), he made clear that they were formed by the compression of sediments that had been accumulated between three Precambrian cratons (Canadian Shield and Fennoscandian Shield at north, Gondwana at south).

Withdrawing those ranges he concluded that the three cratons had made a single continent at the end of the Precambrian, which was later fragmented during the Paleozoic.

Hence he realized that continental drift is a general process, which has affected the Earth all along its geological history.

Thirty years later, Edward Bullard and co-authors published a paper in which a reconstruction similar to Choubert's was achieved with the help of a computer, through the numerical minimisation of distances between continental blocks.

This paper rapidly acquired a great reputation among the scientific community, whereas Choubert's work had remained almost unnoticed (and it is even not cited in Bullard et al.'s paper).

1937

In 1937 he defended his thesis on Étude géologique des terrains anciens du Gabon (Geologic study of ancient Gabon terrains).

1946

In 1946 he was hired by the Office de recherche scientifique d'outre-mer (presently IRD) and left for French Guiana.

1949

In 1949 he founded a multidisciplinary research organization which would become the Institut de l'Amérique tropicale française (Institute of the French tropical America) in 1954, then the Guyana office of ORSTOM in 1964.

At the end of his stay he was inspecteur général de l'ORSTOM and the head of Bureau de recherches géologiques de la Guyane.

1960

In 1960 he came back to continental France.

1961

In 1961 he joined the CNRS as a directeur de recherche, then the École des mines de Paris, where he stayed until his retirement in 1976.

He then moved to Nice, where he was harboured by the laboratoire de géologie.

1983

Boris Choubert or Schuberth (1906 − December 3, 1983) was a Russian-French geologist.

An adept of Wegener's theory, he was the first to precisely reconstruct the layout of the continental masses of Africa, America, Europe and Greenland prior to the fragmentation of Pangaea, thirty years before the article generally credited for this discovery.

He died in Nice on December 3, 1983.

Boris Choubert mainly dedicated himself to three geological fields, of which he significantly advanced the first two: