Trachy-andesite dome-flow, with numerous mafic enclaves, coming from Mont Redon. Good outcrops on the road to Chastreix-Sancy ski station, just below the Roc de Courlande.
References:
- Designolle, J.L. (1996): Massif du Sancy (Puy de Dôme). Le Cahier des Micromonteurs, (4), 8-9.
- Gourgaud, A. (1985): Mélanges de magmas dans les séries alcalines et calco-alcalines : leur role dans la genèse des laves intermédiaires et leur influences sur les mécanismes éruptifs. PhD thesis, Clermont-Ferrand, 522 pp.
Mineral List:17 entries listed. 11 valid minerals. 4 erroneous literature entries.
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