Stable isotope and mineralogical investigation of the genesis of amethyst geodes in the Los Catalanes gemological district, Uruguay, southernmost Paraná volcanic province

  • Autor:

    Duarte, L.C., Hartmann, L.A., Ronchi, L.H., Berner, Z., Theye, T., Massonne, H.J.
  • Quelle:

    Miner. Deposita 46, 239–255 (2010)