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image utilisateur
from Parc naturel régional des Grands
Roque Nègre
en arrière plan de l'église, Roque Nègre

Neck de Basalte

Credit : (c) Delphine Atché

In the midst of the Larzac limestone foothills, we can see a homogeneous and easily identifiable green-grey mass in the rock with round shapes called Roque-Nègre. This geological formation running through the ochre-coloured limestone body looks as if it were an old chimney, but is actually an old volcanic vent called a « Neck de Basalte.

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