The "Puy Griou" (5,556 ft above the sea level) Cantal - Auvergne - France. Le Puy Griou (Cantal 15 - Auvergne - France).

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In the Region nature reserve of the Auvergne volcanoes, the "Puy Griou" (5,556 ft above the sea level). The remains of an old volcano vent, it is made up of phonolite, a not much abundant compact extrusive rock, which makes a ringing sound when struck. Le Puy Griou (1694 mètres d'altitude) (Parc naturel régional des volcans d'Auvergne - Cantal 15 - Auvergne - France). Le Puy Griou est le vestige de la cheminée centrale d'un ancien volcan constitué de phonolite - une roche magmatique volcanique peu abondante - qui "tinte comme du cristal" si l'on frappe deux morceaux l'un contre l'autre.

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Size: 5620px × 3747px
Location: Puy Griou top peak summit mountain Cantal Auvergne France Massif central
Photo credit: © Emmanuel LATTES / Alamy / Afripics
License: Licensed
Model Released: No

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