 | | Book | | with the last phases pegmatites and quartz veins. Aegirine and riebeckite are present in some rocks. References...the complex. The pyroxenites consist of diopside-augite, perovskite, titanomagnetite and phlogopite with...Apatite-forsteriteijolite veins consisting of nepheline and aegirine-augite §olivinite ~ magnetite ores with lesser amounts...Carbonatites of the World: Former U.S.S.R. "-+- x x of aegirine granite, nordmarkite and alkaline pulaskite in...melteigiteijolite-urtite series comprises nepheline, aegirine-augite and biotite with subordinate alkali feldspar |  | | Book | | 46°09′E) . . . . . . . . . . . . . . . 4.12.3 Pkhrutskii (38°51′N, 48°10′E) . . . . . . . . . . . . ....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...tephrite occurs south of Lake Barciano (Sabatini district), and are characterised by nepheline in the groundmass |
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