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® S.Bugnon - la Bourges au trois trous ® S.Bugnon - la Bourges au trois trous

Basaltic flow

Opening hours: Du 01/01 au 31/12

The Verdier site located in the heart of the village of Burzet, this flow results from the Ray-Pic, one of the basalt flows of France richest in peridotite nodules. Very nice view of the Bridge.

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The vast majority of the enclaves of this flow are in peridotite, in lherzolite with spinel to be more precise. They are therefore almost intact mantle samples, torn off by the ascending basalt in intra-mantle cracks between the partial melting zone of the mantle (around -70 km) and the Moho (around -30 km).


Free access.


All year round.

Basaltic flow

Basaltic flow
07450 Burzet

The nearest tourist office


The Grotte Chauvet 2 Ardeche

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