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Abstract: The paper presents distribution of nepheline syenites and theirtectonic settings, rock assembladges, mineral associations and geochemisical characteristics, discusses the relationship between the minerological characteristics of main minerals an

Abstract: The paper presents distribution of nepheline syenites and theirtectonic settings, rock assembladges, mineral associations and geochemisical characteristics, discusses the relationship between the minerological characteristics of main minerals an

文摘:介绍了中国霞石正长岩的分布、产出的大地构造环境、岩体的岩石组合、岩石的地球化学和造岩矿物组合特征。