The material and landscape adventure> Stone in all its forms
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alt_route Nature and Heritage House
The visit of the Sirens and Fossils exhibition in the Nature & Heritage House contributes to better understanding the fossil sirenians of Taulanne.
Where does this name sirenians come from? What is the relationship between these “sea cows” and the beautiful mermaids of our childhood? With the help of fantastic objects, animal sculptures, photographs, video films and illustrated panels, dive into geological times and Antiquity to resurface in the modern world.
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Fossilization
Fossilization is an extremely varied and complex process, and ultimately rare. Most of the time, only the hard parts of a living being can become fossilized, such as bones or the shell. In any case, for this process to take place, very specific conditions must be met: that the rock transforms (erosion phenomenon) without damaging the remains of the living being, that they are "cleaned" by scavengers. and by micro-organisms which eat the remains of flesh, etc.
Stone being a natural solid material, composed of one or more minerals, we can, in a very simplifying (and abusive way!) Consider that chemical processes can transform the hard remains of an organism into "rock".