magma series

Calculation on the general distribution coefficient of the fractional crystallization magma series by the relationship of abundance

用丰度关系法计算分离结晶岩浆岩系总分配系数

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The basic volcanic rocks of the first cycle belong to the alkali basalt magma series and those of the second and the third cycles the tholeiitic magma series.

第一旋回基性火山岩属碱性系列，第二、三旋回基性火山岩属拉斑玄武岩系列。

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The basic rocks, which belong to alkali and tholeiitic magma series, enriched in LREE and LIL. The magmatic source of basic volcanic rocks was enrichment mantle being analogous to oceanic island basalts sources.

基性火山岩有磁性玄武岩与拉斑玄武岩两个岩浆系列，且富集LREE与LIL，其岩浆源区为与洋岛玄武岩源相似的富集地幔柱源。

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They were derived from different magma series: the gabbro was derived from tholeiitic magma series with higher TiO_2, REE abundance and Fe~ ( 3+)/ Fe ( 2+) ratio;

它们分属两个不同的岩浆系列：辉长岩属拉斑系列，TiO2，Fe~（3+）/Fe~（2+）和REE丰度较高；

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