The gold quartz vein of Pontal, Tocantins, Brazil Brazil gold' 91 : the economics geology geochemistry and genesis of gold deposits Martins dos Santos, M. /Giuliani, Gaston Touray, J.C. Dardenne, M.A. Guilhaumou, N. Beny, C. OR GITOLOGIE QUARTZ GEOCHIMIE MINERALISATION INCLUSION FLUIDE Balkema Ladeira, E.A. (ed.) 1991 text https://www.documentation.ird.fr/hor/fdi:34850 fdi:34850 Martins dos Santos M., Giuliani Gaston, Touray J.C., Dardenne M.A., Guilhaumou N., Beny C.. The gold quartz vein of Pontal, Tocantins, Brazil. In : Ladeira E.A. (ed.), . Brazil gold' 91 : the economics geology geochemistry and genesis of gold deposits Balkema, 1991, 585-591 Brazil Gold' 91 : Symposium, Belo Horizonte (BRA), 1991/05/13-17 EN BRESIL