| | Book | in Chap. 6. Experimental studies on the system nepheline-kalsilite-SiO2 in air and under 1, 2, 3, 5, and...Chap. 9, phase relations in the system diopside–nepheline–sanidine studied in air and under 1, 2, 10, and...forsterite-diopside-leucite-akermanite and diopside-nepheline-leucite-akermanite under atmospheric pressure... . . . . . . . . . . . . . . . . . . . . 2.8 Nepheline . . . . . . . . . . . . . . . . . . . . . . ....46°09′E) . . . . . . . . . . . . . . . 4.12.3 Pkhrutskii (38°51′N, 48°10′E) . . . . . . . . . . . . . | | | Book | amphiboles'. The rocks included are, therefore, the nepheline syenites (phonolites) and ijolites (nephelinites)...instance, containing normative but not modal nepheline, are excluded. However, sometimes these rocks...rocks contain such a high proportion of normative nepheline that it must be present as an occult phase in...been consulted, while general terms such as 'nepheline syenite' and 'ijolite' have been freely applied...The earliest reports on the miaskites (biotite-nepheline syenites) of the Urals were published by Karpinskii |
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