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    • Lehmann, B.; Dietrich, A.; Heinhorst, J.; Métrich, N.; Mosbah, M.; Schneider, H. J.; Wallianos, A.; Webster, J.; Palacios Monasterio, Carlos; Winkelmann, L. (Springer-Verlag, 2000)
      Tourmaline alteration and high boron con- tents are typical features of the magmatic-hydrothermal systems of the Bolivian tin province. The average boron content in melt inclusions of quartz phenocrysts from tin porphyry ...