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News & Media

Latest ITER Newsline

  • Art and ITER | Two sisters, two suns and a monument to fusion

    Amid the gentle slopes of Asciano, Italy, there stands a stone window that frames the Sun on the summer solstice. It looks as though it might have always been t [...]

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  • Staff | The men and women of ITER

    They hail from Ahmedabad and Prague ... from Naka and Moscow ... from Seoul, Hefei, Atlanta and hundreds of other towns and cities across the 35 nations partici [...]

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  • ITER Talks | All about ITER and fusion

    Beginning this autumn, the ITER Organization will be launching a new video series to inform, inspire and educate. The first video—introducing the series and off [...]

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  • Image of the week | A majestic components enters the stage

    The floor of the Assembly Hall is an ever-changing stage. Like characters in a grand production, components of all size and shapes make a spectacular entry, pl [...]

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  • Magnet system | A set of spares for the long journey

    In about five years, ITER will embark on a long journey through largely uncharted territory. Conditions will be harsh and—despite all the calculations, modellin [...]

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Of Interest

See archived entries

Image of the week

200 million years ago at ITER

Back in the Mesozoic, some 66 to 250 million years ago, the ITER site lay at the bottom of a shallow sea that covered most of what is now Provence.

A foreman with a sharp eye: Christopher Lebreton spotted the circular shape imprinted on a rock excavated from the platform. (Click to view larger version...)
A foreman with a sharp eye: Christopher Lebreton spotted the circular shape imprinted on a rock excavated from the platform.
The warm waters swarmed with life: marine reptiles such as ichthyosaurs and plesiosaurs, sea urchins, belemnites and the ubiquitous ammonite, resembling present-day nautiluses.

A few weeks ago, as workers excavated a gallery for the Tokamak's cooling water system, a dweller of this ancient world resurfaced.

It wasn't noticed immediately, however. "We only saw the circular shape imprinted on the rock slab once it had been delivered to the deposit area behind the construction platform," explains Christopher Lebreton, a foreman with the contractor that is performing the excavation works—SVA (Spie-Batignolles, Valérian, ADF).

The shape imprinted on the rock was that of the coiled shell of an average-size ammonite—a species which could vary in size from 20 millimetres to 2.55 metres in diameter.

According to Caroline Gamache, a geologist with Spie-Batignolles, the limestone strata where the fossil was found can be dated back 120-200 million years—a time when dinosaurs ruled the Earth and our closest parent was a tiny mouse striving to survive in the realm of the "monstrous lizards."


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