Chopin Laboratoire de Geologie, UMR 8538 du CNRS, Ecole normale superieure, Paris, France Present address:...address: Centre de Geochimie de la Surface – EOST, 1 rue Blessig, 67083 Strasbourg Cedex, France (Benedicte...Praborna mine near Saint-Marcel, Val d’Aoste, Italy, and in the upper Maurienne Valley, France. They occur both...Paradiso internal crystalline massifs. The Ouille du Midi locality belongs to a small group of concentrations...concentrations occurring at the upper end of the Maurienne Valley, France (Chopin, 1978), on the western tip of |