representatives are muscovite pegmatites of the Anabar Massif and Dzhugdzhur Range, 3,500 to 2,900-m.y.-old natrolitic...y. within the Sudbury massif of Canada and 1,770 m.y. within the Pechenga massif of the Kola Peninsula...gold vein districts (Victoria, Urals, Bohemian Massif) or the Tertiary gold-silver deposits of the Carpathians...Precambrian granites (Maranboy and Pine Creek district, Northern Territory). For the late Precambrian...described according t9 our knowledge of the Bohemian Massif in the middle European Hercynian belt. We distinguished |