Definition of leucite syenite. Meaning of leucite syenite. Synonyms of leucite syenite

- melt is produced, forming a nepheline syenite, where orthoclase is replaced by a feldspathoid such as leucite, nepheline or analcime. Conversely in certain...
- Leucite also is rare in plutonic rocks and **** rocks, but leucite syenite and leucite tinguaite bear witness to the possibility that it may occur in...
- at Julianehaab in Greenland with sodalite-syenite; at their margins they contain pseudomorphs after leucite. The lujaurites frequently have a parallel-banding...
- transitions between syenites of ordinary type and nepheline — or leucite — syenite, and between gabbro or dolerite and theralite or es****ite. But, as...
- pyroxene-melanite bearing nepheline syenite variety which contains nepheline-alkali feldspar pseudomorphs interpreted to be after leucite which occur as con****uous...
- is a variation of the igneous rock trachyte that contains nepheline or leucite rather than quartz. It has an unusually high (12% or more) Na2O + K2O content...
- them as the nepheline syenites have to the phonolites. A leucite-augite rock, resembling ijolite except in containing leucite in place of nepheline,...
- minerals. For example, a syenite with significant nepheline present can be termed a nepheline-bearing syenite or nepheline syenite, with the term nepheline...
- enriched with silica and alkali metals. It is the volcanic equivalent of syenite. Trachyte is common wherever alkali magma is erupted, including in late...
- Lawrencium Lazurite Le Chatelier's principle Lead Leopold Ružička Lepidolite Leucite Lewis acid Lewis base Ligand Lignite Limestone Limonite Linus Pauling Liquid...