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Qu'est-ce (qui) est continental drift - définition

THE MOVEMENT OF THE EARTH'S CONTINENTS RELATIVE TO EACH OTHER

Continental Drift; Movement of the Earth's Crust; Continentaldrift; Theory of continental drift; Drift theory; Continental drift theory; Moving continent; Continent movement

continental drift

¦ noun the gradual movement of the continents across the earth's surface through geological time.

continental drift

Continental drift is the slow movement of the Earth's continents towards and away from each other.

N-UNCOUNT

continental drift

In 1980 David Turner remarked that KRC ran "at the speed of the continental drift". (1994-12-06)

Wikipédia

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 plate tectonics, which studies the movement of the continents as they ride on plates of the Earth's lithosphere.

The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. A pioneer of the modern view of mobilism was the Austrian geologist Otto Ampferer. The concept was independently and more fully developed by Alfred Wegener in 1912, but the hypothesis was rejected by many for lack of any motive mechanism. The English geologist Arthur Holmes later proposed mantle convection for that mechanism.

https://en.wikipedia.org/wiki/Continental drift

Exemples du corpus de texte pour continental drift

1. "We are talking about continental drift," Jokat said.

2. The past eight years have seen a marked continental drift in Britain.

3. Recently, the operators of the VLBA learned how to take into account such subtle, data–skewing effects as continental drift.

4. The fish lived 375 million years ago in what had been an equatorial river delta before continental drift moved the land mass northward.

5. A major shake–up of the secondary school curriculum aims to make subjects "more relevant" by introducing "modern day issues". Lessons in capital cities, rivers and continental drift will make way for "themed" teaching on issues such as the causes of climate change, the impact of buying clothes on poorer nations and the effects of the South–East Asian tsunami.