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A 430-million-year-old deposit

Almadén, Valle de Alcudia, Ciudad Real

1 Villages · 8 Monuments · 1 Nature · 2 Activities · 1 Curiosities · 7 Historical milestones

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A 430-million-year-old deposit

Curiosity · Almadén, Valle de Alcudia, Ciudad Real

Image of Almadén, not of the place itself.

The Almadén cinnabar deposit formed some 430 million years ago and has yielded roughly a third of all the mercury consumed by humanity, a figure matched by no other deposit on the planet.

Photo: Raimundo Pastor (CC BY-SA 3.0)

What to see and do in Almadén