Ancient copper and tin mine, worked intermittently from 1870 until 1953, with a total output of 1000 tons of copper and 750 tons of tin. Located near Charrier, about 12 km SE of Le Mayet-de-Montagne.
Ref.: J-J. Périchaud: Les Minéraux d'Auvergne, Vol. 1, Clermont-Ferrand (1985).
6 tons of silver have been exploited sporadically from 1872 to 1945.
Ref.:
- Picot, P. and Pierrot, R. (1963) La roquesite, premier minéral d'indium: CuInS2. Bulletin de la Société française de Minéralogie et de Cristallographie: 86: 7-14.
(http://www.minerauxetfossiles.com/revue/dernier_numero/numero_info91.htm)
- Bourrat, P. (2005). "La mine de Charrier (Allier)." Le Cahier des Micromonteurs, (89),pp:77.