Ancienne Carrière du Mas Rouge, Former bauxite quarry in Les Baux-de-Provence, France.
This former mining site has been transformed into a water body with clear waters that allow visitors to observe fish swimming in their natural habitat below the surface.
The quarry extracted bauxite ore, discovered in 1821 by chemist Pierre Berthier in Les Baux-de-Provence and originally called alumina earth of Les Baux before giving its name to the mineral.
The site represents Provençal mining heritage and now serves as an educational resource for earth sciences teaching and the study of regional geological formations and processes.
Access to the site requires using a road reserved for local residents from Les Baux-de-Provence, limiting tourist traffic and necessitating local contacts for visits.
The Upper Cretaceous rock formations reveal pisolites, concentric algae-origin concretions that testify to the ancient lacustrine environment of the region millions of years ago.
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