com/locate/apgeochem Past and present circulation of CO2-bearing fluids in the crystalline Gran Paradiso...di Torino, via Valperga Caluso 35, 10125 Torino, Italy b Dipartimento di Scienze della Terra, Università...Ferrata 1, 27100 Pavia, Italy c SEA Consulting s.r.l., via Cernaia 27, 10121 Torino, Italy Received 7 October...stage. Breccia bodies or veins, mostly consisting of carbonate (siderite–ankerite calcite)+ quartz with...geochemical modelling indicates that dissolution of carbonates along fractures is the main process controlling |