
Atelier de géologie "Les carrières et les richesses minérales du Bassin Parisien (calcaire, craie et gypse)"
September 19
Step into living industrial history: the last horse-powered quarry winch in France still in operation. Explore the Treuil Auboin with animated demonstrations and a hands-on geology workshop uncovering the Paris Basin's limestone, chalk, and gypsum treasures.




