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Note sur le volcanisme acide d'Argentré-du-Plessis (Domaine centre-armoricain)

Abstract : Some isolated pieces of volcanits and raicroconglomerates of hectometre scale crop out at Argentré du Plessis in South of Laval's synclinorium.They are attributed to Tournaisian (Huisserie's formation).This significant volcanism was fed by veins found in the tardide- vonian (?) granite of the Pertre,which was already visible at that time. This attests to highly intensive erosion.
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https://hal-insu.archives-ouvertes.fr/insu-01580055
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Jean-Alix Barrat. Note sur le volcanisme acide d'Argentré-du-Plessis (Domaine centre-armoricain) . Cahiers géologiques , 1984, 104, pp.717-721. ⟨insu-01580055⟩

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