(Vallée du Sioulot, Olby, Pontgibaud, Puy-de-Dôme, Auvergne, France)
alluvials
References:
Ref:
GAILLOU E. (2003) - Les saphirs du Massif Central : Etude minéralogique des saphirs du Sioulot du mont Coupet et du Menoyre – Détermination de leur origine. DEA Université Blaise Pascal, Clermont-Ferrand II. 2002 – 2003
GIULIANI G., FALLICK A., OHNENSTETTER D., PEGERE G. (2009) - Oxygen isotopes composition of sapphires from the French Massif Central: implications for the origin of gem corundum in basaltic fields. Mineralium Deposita, Springer, vol. 44, no. 2, pp. 221-231.
MEDARD P., POURTIER G. & BARRIER D. (2005) En Auvergne, le corindon, dans tous ses états.. Le Cahier des Micromonteurs, 90, pp 14-19.
PERINET F. (2009) – Les minéraux du Sioulot, secteur d’Olby, Puy-de-Dôme – Le Cahier des Micromonteurs, n° 104, pp. 20-28.
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Map Reference: 45°45'7"N , 2°49'31"E
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Mineral List:25 entries listed. 13 valid minerals.
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