(Lac Pavin, Besse-et-Saint-Anastaise, Puy-de-Dôme, Auvergne, France)
Crater lake (maar) on the North side of Puy de Montchal (1411m) volcano.
Lake alluvions : Silty annual laminae rich in diatoms.
Mineral List:3 entries listed. 3 valid minerals.
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