最終更新日:2022/12/24
The pulaskites occupy a position similar to that of larvikite between syenite and nepheline-syenite. Quartz is absent, while felspathoids are present in small quantities.
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The pulaskites occupy a position similar to that of larvikite between syenite and nepheline-syenite. Quartz is absent, while felspathoids are present in small quantities.