| | Book | 48°10′E) . . . . . . . . . . . . . . 4.12.4 Talyshskii (38°45′N, 48°22′E) . . . . . . . . . . . . ....former U.S.S.R. Pkhrutski massif, former U.S.S.R. Talyshskii zone, former U.S.S.R. Pyatistennyl, former U...natural tetragonal leucite from the volcanic Lazium district (Italy). Their investigation at high pressure...shoshonitic and absarokitic rocks of Artem of Primorye district (north of Vladivostok), Russia. Here, K-feldspar...a potassic suite comprising nepheline, biotite, augite and amphibole (Borodin 1974). In many pseudoluecite | | | Book | the complex. The pyroxenites consist of diopside-augite, perovskite, titanomagnetite and phlogopite with...ite veins consisting of nepheline and aegirine-augite §olivinite ~ magnetite ores with lesser amounts...melteigiteijolite-urtite series comprises nepheline, aegirine-augite and biotite with subordinate alkali feldspar, titanite...carbonated. The mineralogy of these rocks is aegirine-augite and nepheline with subordinate hastingsite, titanite...nepheline and the latter enriched in aegirine, aegirine-augite, amphibole and biotite. Within the nepheline syenites |
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